Thorlabs SPDMA Ib Tug Photon Detection Module
Cov ntaub ntawv khoom
- Khoom npe: Tib Photon Detector SPDMA
- Chaw tsim tshuaj paus: Thorlabs GmbH
- Version: 1.0
- Hnub tim: 08-Nov-2021
Cov ntaub ntawv dav dav
Lub Thorlabs 'SPDMA Ib Lub Photon Detector yog tsim los rau kev ntsuas kho qhov muag. Nws siv lub txias silicon avalanche photodiode uas yog tshwj xeeb rau lub wavelength ntau ntawm 350 mus rau 1100 nm, nrog siab tshaj plaws rhiab heev ntawm 600 nm. Tus ntes hloov cov photons tuaj rau hauv TTL mem tes teeb liab, uas tuaj yeem ua tau viewed ntawm lub oscilloscope lossis txuas nrog lub txee sab nraud los ntawm kev sib txuas SMA. Lub SPDMA nta ib qho kev sib xyaw ua ke Thermo Electric Cooler (TEC) lub caij uas ua kom lub diode qhov kub thiab txias, txo qhov suav qhov tsaus ntuj. Qhov no tso cai rau kev tshawb pom photon siab thiab ua kom pom lub zog ntawm qib qis mus rau fW. Lub diode kuj tseem suav nrog lub active quenching Circuit Court rau kev suav tus nqi siab. Lub teeb liab tso zis tuaj yeem ua kom zoo dua siv Gain Adjustment Screw.
Lub tshuab ntes tuaj yeem ua rau sab nraud siv lub TTL Trigger IN teeb liab los xaiv lub sijhawm rau kev tshawb pom ntawm ib qho photons. Optical alignment yog ua kom yooj yim dua los ntawm qhov loj me me ntawm lub diode, uas muaj txoj kab uas hla ntawm 500 hli. Lub diode yog lub Hoobkas ua raws li kev sib koom ua ke nrog cov tswv yim aperture, kom ntseeg tau tias kev ua haujlwm zoo. Lub SPDMA yog sib xws nrog Thorlabs 1 "lub lens raj thiab Thorlabs 30 mm Cage System, tso cai rau kev hloov pauv hloov mus rau hauv cov tshuab kho qhov muag. Nws tuaj yeem ntsia tau rau hauv metric lossis imperial systems siv 8-32 thiab M4 combi-xov mounting qhov. Cov khoom lag luam suav nrog SM1T1 SM1 Coupler, uas hloov cov xov sab nraud mus rau cov xov sab hauv, nrog rau SM1RR Retaining Nplhaib thiab rov siv tau cov yas npog npog.
Cov lus qhia siv khoom
Mounting
- Txheeb xyuas qhov tsim nyog mounting system rau koj qhov teeb tsa (metric lossis imperial).
- Teem lub SPDMA nrog lub qhov mounting ntawm lub system xaiv.
- Ua kom ruaj ntseg ntawm SPDMA siv cov ntsia hlau tsim nyog lossis bolts.
Teeb tsa
- Txuas lub SPDMA rau lub hwj huam mov raws li cov lus qhia tshwj xeeb.
- Yog tias xav tau, txuas lub oscilloscope lossis lub txee sab nraud rau SMA kev sib txuas los saib xyuas cov teeb liab tso zis.
- Yog tias siv qhov cuam tshuam sab nraud, txuas lub TTL Trigger IN teeb liab mus rau qhov chaw nres nkoj tsim nyog ntawm SPDMA.
- Xyuas kom lub diode qhov kub thiab txias yog nyob ruaj khov los ntawm kev tso sijhawm txaus rau lub Thermo Electric Cooler (TEC) lub caij kom ncav cuag nws qhov kub thiab txias.
- Ua ib qho kev hloov kho uas tsim nyog siv Gain Adjustment Screw rau optimizing lub teeb liab tso zis.
Txoj Cai Kev Ua Haujlwm
Lub SPDMA ua haujlwm los ntawm kev hloov cov photons nkag mus rau hauv TTL mem tes teeb liab siv lub txias silicon avalanche photodiode. Lub active quenching Circuit Court integrated rau hauv lub diode enables siab suav nqi. Lub TTL Trigger IN teeb liab tuaj yeem siv los ua kom pom qhov pom ntawm ib qho photons hauv ib lub sijhawm tshwj xeeb.
Nco tseg: Ib txwm xa mus rau cov neeg siv phau ntawv thiab cov lus qhia kev nyab xeeb muab los ntawm Thorlabs GmbH rau cov ncauj lus kom ntxaws txog kev daws teeb meem, cov ntaub ntawv kev ua haujlwm, cov phiaj xwm kev ua haujlwm, qhov ntev, kev ceev faj txog kev nyab xeeb, ntawv pov thawj thiab kev ua raws cai, warranty, thiab cov ntaub ntawv tiv tauj cov chaw tsim khoom.
Peb lub hom phiaj los tsim thiab tsim cov kev daws teeb meem zoo tshaj plaws rau koj daim ntawv thov hauv thaj chaw ntawm kev ntsuas kho qhov muag. Txhawm rau pab peb ua neej raws li koj qhov kev cia siab thiab niaj hnub txhim kho peb cov khoom, peb xav tau koj cov tswv yim thiab cov lus qhia. Peb thiab peb cov neeg koom tes thoob ntiaj teb tab tom tos ntsoov yuav hnov los ntawm koj.
Ceeb toom
Cov ntu uas cim los ntawm lub cim no piav qhia txog kev phom sij uas yuav ua rau tus kheej raug mob lossis tuag. Nco ntsoov nyeem cov ntaub ntawv cuam tshuam ua tib zoo ua ntej ua cov txheej txheem qhia
Nco ntsoov
Cov kab lus ua ntej los ntawm lub cim no piav qhia txog kev phom sij uas tuaj yeem ua rau lub cuab yeej thiab cov cuab yeej txuas nrog lossis yuav ua rau cov ntaub ntawv poob. Phau ntawv no kuj muaj "NOTES" thiab "HINTS" sau rau hauv daim ntawv no. Thov ua tib zoo nyeem cov lus qhia no!
Cov ntaub ntawv dav dav
Lub Thorlabs 'SPDMA Ib Leeg Photon Ntes siv lub tshuab cua txias silicon avalanche photodiode, tshwj xeeb rau lub wavelength ntau ntawm 350 txog 1100 nm nrog qhov siab tshaj plaws ntawm 600 nm. Cov photons nkag tau hloov mus rau hauv TTL mem tes hauv lub ntsuas. SMA kev twb kev txuas muaj ib tug ncaj qha tso zis mem tes teeb liab los ntawm lub module uas yuav ua tau viewed ntawm lub oscilloscope lossis txuas nrog lub txee sab nraud. Ib qho kev sib xyaw ua ke Thermo Electric Cooler (TEC) lub caij stabilizes lub diode qhov kub thiab txias kom txo tau qhov tsaus nti. Qhov qis qis suav tus nqi thiab siab photon nrhiav kom tau qhov ua tau zoo tso cai rau kev tshawb pom lub zog qib qis mus rau fW. Lub active quenching Circuit Court integrated rau hauv lub diode ntawm SPDMA enables siab suav nqi. Lub teeb liab tso zis tuaj yeem ua kom zoo ntxiv los ntawm kev hloov kho tas li siv Gain Adjustment Screw. Siv TTL Trigger IN teeb liab, SPDMA tuaj yeem ua rau sab nraud los xaiv lub sijhawm rau kev tshawb pom ntawm ib qho photons. Kev kho qhov muag kho qhov muag tau yooj yim los ntawm qhov loj me me ntawm lub diode nrog txoj kab uas hla ntawm 500 hli. Lub diode nquag ua haujlwm ntawm lub Hoobkas kom muaj kev sib txuam nrog cov tswv yim aperture, uas ntxiv rau qhov zoo ntawm cov cuab yeej no. Rau kev sib koom ua ke yooj yim rau hauv cov tshuab kho qhov muag, SPDMA haum txhua Thorlabs 1 "lens raj nrog rau Thorlabs 30 mm Cage System. SPDMA tuaj yeem ntsia tau rau hauv metric lossis imperial systems vim 8-32 thiab M4 combi-xov mounting qhov. Cov khoom lag luam suav nrog SM1T1 SM1 Coupler uas hloov cov xov sab nraud mus rau ib qho xov sab hauv thiab tuav lub SM1RR Retaining Nplhaib thiab rov siv tau cov yas npog npog. Lwm advantage yog tias SPDMA tsis tuaj yeem raug puas tsuaj los ntawm lub teeb tsis xav tau, uas yog qhov tseem ceeb rau ntau lub raj photomultiplier.
Nco ntsoov
Thov nrhiav tag nrho cov ntaub ntawv kev nyab xeeb thiab cov lus ceeb toom txog cov khoom no hauv tshooj Kev Nyab Xeeb hauv Cov Ntawv Ntxiv.
Ordering Codes thiab Accessories
SPDMA Tib-Photon Detector, 350nm - 1100nm, Active Area Diameter 0.5 mm, Combi-Thread Mounting Holes Tau tshaj 8-32 thiab M4 Xov
Xws li Accessories
- Fais fab mov (± 12V, 0.3A / 5V, 2.5A)
- Yas Npog Cap (Khoom # SM1EC2B) ntawm ib qho SM1T1 SM1 Coupler nrog SM1RR SM1 Retaining Ring.
Xaiv cov khoom siv
- Txhua Thorlabs sab hauv lossis sab nraud SM1 (1.035 "-40) threaded accessories yog sib xws nrog SPDMA.
- Lub 30 hli Cage System tuaj yeem ntsia tau rau ntawm SPDMA.
- Thov mus saib peb qhov homepage http://www.thorlabs.com rau ntau yam khoom siv xws li fiber ntau adapters, cov ntawv tshaj tawm thiab cov ntawv tuav, cov ntaub ntawv, thiab cov ntaub ntawv ntxiv.
Pib pib
Daim ntawv teev npe
Thov tshuaj xyuas lub thawv xa khoom kom puas. Thov tsis txhob txiav los ntawm cov duab los qhia, vim tias lub thawv yuav xav tau kev khaws cia lossis xa rov qab. Yog tias lub thawv xa khoom zoo li puas lawm, khaws cia kom txog thaum koj tau tshuaj xyuas cov ntsiab lus kom tiav thiab kuaj SPDMA mechanically thiab hluav taws xob. Xyuas kom tseeb tias koj tau txais cov khoom hauv qab no hauv pob:
SPDMA Tib Photon Detector
Yas Npog Cap (Khoom # SM1EC2B) ntawm SM1T1-SM1 Coupler nrog SM1RR-SM1
Ntiv nplhaib
Fais fab mov (± 12V, 0.3 A / 5 V, 2.5 A) nrog Fais Fab Cable, Connector Raws li Ordering Lub Tebchaws
Ceev Reference
Cov lus qhia ua haujlwm
Cov ntsiab lus ua haujlwm
Mounting
Mounting SPDMA ntawm lub rooj kho qhov muag Mount SPDMA ntawm ib qho kev tshaj tawm kho qhov muag los ntawm kev siv ob qho ntawm peb lub qhov txuas txuas ntawm sab laug thiab sab xis thiab hauv qab ntawm lub cuab yeej. Lub combi-xov tapping qhov lees txais ob 8-32 thiab M4 xov, xws li siv imperial lossis metric TR posts yog ua tau.
Mounting Sab nrauv Optics
Cov neeg siv khoom tuaj yeem txuas thiab ua kom zoo siv cov xov SM1 sab nraud lossis 4-40 qhov txuas rau 30 hli Cage System. Cov haujlwm tau qhia hauv ntu Kev Ua Haujlwm. Sab nraud SM1 xov haum rau Thorlabs 'SM1-xov xov (1.035 "- 40) adapters uas tau sib xws nrog txhua tus naj npawb ntawm Thorlabs 1" threaded accessories, zoo li sab nraud optics, lim, apertures, fiber ntau adapters, los yog lens raj. SPDMA tau xa nrog SM1T1 SM1 txuas txuas uas hloov cov xov sab nraud rau SM1 xov sab hauv. Ib lub nplhaib tuav hauv lub coupler tuav lub hau npog tiv thaiv. Thov unscrew lub coupler yog tias xav tau. Rau accessories, thov mus saib peb website los yog hu rau Thorlabs.
Teeb tsa
Tom qab mounting SPDMA, teeb lub ntes raws li hauv qab no:
- Fais fab mus rau SPDMA siv cov khoom siv hluav taws xob suav nrog.
- Hloov ntawm SPDMA, siv lub khawm toggle ntawm sab ntawm lub ntsuas.
- Thawb lub hau ntawm qhov xwm txheej LED kom pom cov xwm txheej:
- Liab: Lub LED yuav pib liab thaum txuas nrog lub hwj huam mov los qhia qhov kev sib txuas no thiab yuav tsum tau tos kom txog thaum lub ntsuas ntsuas tau mus txog qhov kub thiab txias.
- Tsis pub dhau ob peb feeb, lub diode txias thiab cov xwm txheej LED yuav tig ntsuab. Cov xwm txheej LED yuav rov qab mus rau liab thaum lub diode kub dhau heev lawm. Yog hais tias lub LED yog liab, tsis muaj teeb liab xa mus rau lub mem tes tso zis.
- Ntsuab: Lub tshuab ntes tau npaj rau kev ua haujlwm. Lub diode yog nyob rau ntawm qhov kub thiab txias thiab lub teeb liab tuaj txog ntawm lub mem tes tso zis.
Nco tseg
Qhov xwm txheej LED yuav tig liab thaum twg qhov kev ua haujlwm kub siab dhau. Thov xyuas kom muaj cua txaus. Thawb lub hau rov qab rau pem hauv ntej ntawm cov xwm txheej LED tiv thaiv lub teeb LED los ntawm kev cuam tshuam kev ntsuas. Txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau ua kom zoo Yog xav paub ntxiv txog qhov tau txais txiaj ntsig, thov mus saib tshooj Kev Ua Haujlwm Txoj Cai. Siv Yam tsawg kawg nkaus thaum tus lej suav qis qis yog qhov tseem ceeb. Qhov no los ntawm tus nqi qis photon nrhiav kom tau efficiency. Siv Maximum Gain thaum nws tsim nyog los sau ntau tus lej ntawm photons. Qhov no los ntawm tus nqi ntawm tus nqi tsaus nti ntau dua. Vim tias lub sij hawm ntawm kev tshawb pom photon thiab cov teeb liab tso zis hloov nrog qhov nce, thov rov ntsuas qhov ntsuas no tom qab hloov qhov nce qhov chaw.
Nco tseg
"Trigger In" thiab "Pulse Out" yog ntawm 50 W impedance. Xyuas kom tseeb tias cov khoom siv mem tes muaj peev xwm ua haujlwm ntawm 50 W load thiab cov cuab yeej txuas nrog "Pulse Out" ua haujlwm ntawm 50 W input impedance.
Txoj Cai Kev Ua Haujlwm
Lub Thorlabs SPDMA siv lub silicon avalanche photodiode (Si APD), ua haujlwm nyob rau hauv qhov kev taw qhia rov qab thiab ua rau me ntsis dhau ntawm qhov pib tawg.tage VBR (saib daim duab hauv qab no, point A), tseem hu ua avalanche voltage. Hom kev khiav hauj lwm no tseem hu ua "Geiger mode". APD nyob rau hauv Geiger hom yuav nyob twj ywm hauv lub xeev metastable kom txog thaum lub photon tuaj txog thiab tsim cov neeg nqa khoom pub dawb hauv PD txoj kev sib tshuam. Cov neeg nqa khoom pub dawb no ua rau muaj kev kub ntxhov (point B), ua rau muaj qhov tseem ceeb tam sim no. Lub active quenching circuit integrated rau hauv APD txwv qhov tam sim no los ntawm APD kom tsis txhob muaj kev puas tsuaj thiab txo qhov kev tsis ncaj ncees vol.tage hauv qab qhov kev sib cais voltage VBR (point C) tam sim ntawd tom qab lub photon tso tawm avalanche. Qhov no ua rau muaj kev suav siab nrog lub sijhawm tuag ntawm kev suav mus rau lub sijhawm tuag ntawm max nce. Tom qab ntawd, lub bias voltage rov.
Thaum lub sij hawm quenching, uas yog hu ua lub sij hawm tuag ntawm lub diode, APD yog insensitive rau lwm yam photons tuaj. Kev tshwm sim tshwm sim tshwm sim tau tshwm sim thaum lub diode nyob rau hauv lub xeev metastable. Yog hais tias cov avalanches tshwm sim randomly, lawv hu ua tsaus nti. Ib qho kev sib xyaw ua ke TEC stabilizes lub diode qhov kub thiab txias hauv ambient kub kom txo tau qhov tsaus suav tus nqi. Qhov no tshem tawm qhov xav tau ntawm tus kiv cua thiab zam kev vibrations. Nyob rau hauv cov ntaub ntawv spontaneously triggered avalanches yog correlated nyob rau hauv lub sij hawm nrog ib tug mem tes los ntawm ib tug photon, nws yog hu ua ib tug afterpulse.
Nco tseg
Vim yog APD cov khoom, tsis yog txhua tus photons yuav raug kuaj pom. Cov laj thawj yog APD lub sijhawm tuag nyob rau hauv lub sijhawm quenching thiab LAPD qhov tsis sib xws.
Tau txais kev hloov kho
Siv lub nce kev hloov kho ntsia hlau, ib qho overvoltage dhau ntawm kev tawg voltage tuaj yeem hloov kho rau SPDMA. Qhov no ua rau kom qhov kev tshawb pom photon ua tau zoo tab sis kuj tseem suav nrog qhov tsaus ntuj. Thov nco ntsoov tias qhov tshwm sim tom qab pulsing me ntsis nce nrog kev nce siab dua thiab qhov kev kho qhov nce kuj cuam tshuam rau lub sijhawm ntawm kev tshawb pom photon thiab cov teeb liab tawm. Lub sij hawm tuag nce nrog txo qhov nce.
Block Diagram thiab Trigger IN
Cov mem tes tam sim no tsim los ntawm cov photon nkag los hla lub pulse shaping circuit, uas yog shortening APD cov zis TTL mem tes ntev. Ntawm qhov "Pulse Out" lub davhlau ya nyob twg lub teeb liab los ntawm pulse shaper yog siv kom suav tau. viewed ntawm ib qho oscilloscope lossis sau npe los ntawm lub txee sab nraud. Thaum tsis muaj tus Trigger, lub rooj vag kaw thiab tso cai rau lub teeb liab tawm. Lub Gain hloov qhov Bias (overvoltage) ntawm APD. Lub Bias yog lub cev coj los ntawm lub active quenching caij tab sis tsis cuam tshuam lub active quenching.
TTL Cov
Lub TTL Trigger tso cai rau kev xaiv ua kom muaj zog ntawm cov khoom siv mem tes: Thaum lub siab ua kom muaj zog (tseem nyob rau hauv Cov Ntaub Ntawv Cov Ntaub Ntawv) lub teeb liab tuaj txog ntawm Pulse Out. Qhov no yog lub neej ntawd thaum twg tsis muaj TTL teeb liab sab nraud raug siv los ua qhov tshwm sim Thaum twg TTL txhais cov teeb liab tawm tswv yim siv, lub neej ntawd TTL cov tswv yim yuav tsum yog "Low". Lub teeb liab los ntawm kev tshawb pom photon raug xa mus rau Pulse Out raws li Cov Lus Qhia Tawm voltage hloov mus rau "High". High thiab Low signals yog teev nyob rau hauv seem Technical Data.
Nco tseg
"Trigger In" thiab "Pulse Out" yog ntawm 50 W impedance. Xyuas kom tseeb tias cov khoom siv mem tes muaj peev xwm ua haujlwm ntawm 50 W load thiab cov cuab yeej txuas nrog "Pulse Out" ua haujlwm ntawm 50 W input impedance.
Kev Kho thiab Kev Pabcuam
Tiv thaiv SPDMA los ntawm huab cua phem. SPDMA tsis yog dej resistant.
Nco ntsoov
Txhawm rau kom tsis txhob muaj kev puas tsuaj rau lub twj paj nruag, tsis txhob tso nws rau cov tshuaj tsuag, kua lossis cov kuab tshuaj! Chav tsev tsis xav tau kev saib xyuas tas li los ntawm tus neeg siv. Nws tsis muaj cov modules thiab/los yog cov khoom uas yuav kho tau los ntawm tus neeg siv. Yog tias muaj teeb meem tshwm sim, thov hu rau Thorlabs rau cov lus qhia rov qab. Tsis txhob tshem cov npog!
Kev daws teeb meem
APD tshaj qhov ntsuas kub qhia Lub ntsuas kub tswj tau lees paub tias qhov ntsuas kub tiag tiag ntawm APD tshaj qhov teeb tsa. Raws li ib txwm ua haujlwm, qhov no yuav tsum tsis txhob tshwm sim, txawm tias tom qab ua haujlwm ntev. Txawm li cas los xij, kev nce siab tshaj qhov txwv ntawm qhov ntsuas kub ntawm qhov kev ua haujlwm lossis cov hluav taws xob ntau dhau ntawm lub ntsuas hluav taws xob tuaj yeem ua rau muaj kev ceeb toom overtemperature. Qhov xwm txheej LED yuav tig mus rau liab kom qhia tias muaj cua sov. Xyuas kom muaj cua txaus nyob ib ncig ntawm lub cuab yeej lossis muab cov cua txias sab nraud
Cov ntawv ntxiv
Technical Data
Tag nrho cov ntaub ntawv kev siv tau ntawm 45 ± 15% rel. humidity (tsis condensing).
| Yam khoom # | SPDMA |
| Ntes | |
| Ntes Hom | Si APD |
| Wavelength Range | 350-1100 nm |
| Txoj kab uas hla ntawm Active Detector Area | 500 m |
| Hom Photon Detection Efficiency (PDE) ntawm Gain Max | 58% (@ 500nm)
66% (@ 650nm) 43% (@ 820nm) |
| Tau txais kev hloov kho Factor (Typ) | 4 |
| Count Rate @ Tau Max. Min
Ntaus |
> 10 MHz 20 MHz |
| Tsaus suav tus nqi @ Tau Min @ Tau Max |
<75 Hz (Typ); <400 Hz (Max) <300 Hz (Typ); <1500 Hz (Max) |
| Lub Sijhawm Tuag @ Kev Tau Txais Ntau Tshaj | <35 tsi |
| Tso zis Pulse Dav @ 50 Ω load | 10 ns (Min); 15 ns (Typ); 20 ns (Max) |
| Tso zis Pulse Amplitude @ 50 Ω load TTL siab
TTL Low |
3.5 V 0 V. |
| TTL teeb liab 1
Tsawg (kaw) Siab (qhib) |
<0.8 V > 2 V |
| Afterpulsing Probability @ Tau Min. | 1% (Tib) |
| General | |
| Fais fab mov | ± 12V, 0.3A / 5V, 2.5A |
| Kev khiav hauj lwm qhov kub thiab txias 2 | 0 txog 35 ° C |
| APD ua haujlwm kub | -20 ° C |
| APD Temperature Stability | <0.01K ua |
| Cia qhov kub thiab txias | -40 ° C txog 70 ° C |
| Dimensions (W x H x D) | 72.0 hli x 51.3 hli x 27.4 hli (2.83 ″ x 2.02 ″ x 1.08 ″) |
| Qhov hnyav | 150 g ib |
- Lub neej ntawd nyob rau hauv qhov tsis muaj TTL teeb liab yog> 2 V, tso cai rau lub teeb liab rau lub mem tes tso zis. Tus cwj pwm ntes tsis tau txhais ntawm 0.8 V thiab 2 V.
- Tsis-condensing
Lus txhais
Active Quenching tshwm sim thaum tus neeg saib xyuas ceev ceev pom qhov pib ntawm qhov avalanche tam sim no, tso tawm los ntawm photon, thiab sai sai txo qhov kev tsis ncaj ncees vol.tage thiaj li hais tias nws yog hauv qab no breakdown momentarily. Qhov kev tsis ncaj ncees yog tom qab ntawd rov qab mus rau tus nqi siab dua qhov kev tawg voltage nyob rau hauv kev npaj rau kev tshawb pom ntawm lub tom ntej photon. Afterpulsing: Thaum lub caij avalanche, qee qhov nqi tuaj yeem raug dai rau hauv thaj chaw siab. Thaum cov nqi no raug tso tawm, lawv tuaj yeem ua rau muaj kev kub ntxhov. Cov xwm txheej spurious no hu ua afterpulses. Lub neej ntawm cov nqi raug kaw yog nyob ntawm qhov kev txiav txim ntawm 0.1 μs rau 1 μs. Yog li ntawd, nws zoo li tias tom qab pulse tshwm sim ncaj qha tom qab lub teeb liab mem tes.
Lub Sijhawm Tuag yog lub sijhawm lub sijhawm uas tus ntes siv nyob rau hauv nws lub xeev rov qab los. Thaum lub sij hawm no, nws yog qhov muag tsis pom zoo rau cov khoom photons. Tsaus Suav Tus Nqi: Qhov no yog qhov nruab nrab tus nqi ntawm cov npe suav thaum tsis muaj teeb meem teeb meem thiab txiav txim siab qhov tsawg kawg nkaus suav tus nqi uas lub teeb liab feem ntau tshwm sim los ntawm photons tiag tiag. Cov xwm txheej nrhiav pom tsis tseeb yog feem ntau ntawm cov hauv paus chiv keeb thermal thiab tuaj yeem tiv thaiv tau los ntawm kev siv lub ntsuas cua txias. Hom Geiger: Hauv hom no, lub diode ua haujlwm me ntsis saum toj ntawm qhov kev sib tawg voltage. Yog li ntawd, ib khub electron-qhov (tsim los ntawm kev nqus ntawm photon lossis los ntawm thermal fluctuation) tuaj yeem ua rau muaj zog avalanche. Gain Adjustment Factor: Qhov no yog qhov uas qhov kev nce qib tuaj yeem nce ntxiv. Saturation ntawm APD: Lub photon suav los ntawm APD tsis yog raws nraim linearly proportional rau qhov xwm txheej optical CW zog; lub deviation nce smoothly nrog nce optical zog. Qhov no tsis yog-linearity ua rau qhov tsis ncaj ncees lawm photon suav ntawm cov khoom siv hluav taws xob siab. Ntawm qee qhov kev nkag siab lub zog, cov photon suav pib txawm tias txo qis nrog kev nce ntxiv hauv lub zog kho qhov muag. Txhua qhov xa tawm SPDMA raug kuaj kom tsim nyog Saturation tus cwj pwm kom zoo li tus example.
Cov phiaj xwm kev ua haujlwm
Hom Photon Detection Efficiency
Pulse Out Signal
Dimension
Kev nyab xeeb
Kev nyab xeeb ntawm txhua qhov kev sib txuas nrog cov cuab yeej siv yog lub luag haujlwm ntawm cov khoom sib dhos ntawm qhov system. Txhua nqe lus hais txog kev nyab xeeb ntawm kev ua haujlwm thiab cov ntaub ntawv qhia kev hauv phau ntawv qhia no tsuas yog siv tau thaum lub tsev ua haujlwm raug raws li nws tau tsim. SPDMA yuav tsum tsis txhob ua haujlwm nyob rau hauv qhov chaw muaj kev puas tsuaj! Tsis txhob thaiv tej qhov cua qhov cua hauv tsev! Tsis txhob tshem cov npog lossis qhib lub txee. Tsis muaj cov neeg siv-serviceable seem hauv! Cov cuab yeej precision no tsuas yog siv tau yog tias xa rov qab thiab ntim tau zoo rau hauv cov ntim khoom tiav nrog rau cov duab los qhia. Yog tias tsim nyog, thov kom hloov lub ntim khoom. Xa mus rau kev pabcuam rau cov neeg ua haujlwm tsim nyog! Kev hloov pauv rau cov cuab yeej no tsis tuaj yeem ua thiab tsis tuaj yeem siv cov khoom siv tsis tau los ntawm Thorlabs yam tsis tau sau ntawv tso cai los ntawm Thorlabs.
Nco ntsoov
Ua ntej siv lub hwj chim rau SPDMA, xyuas kom meej tias tus neeg xyuas pib ntawm 3 tus neeg xyuas pib lub zog hluav taws xob txuas ncaj qha rau lub ntiaj teb kev tiv thaiv hauv av ntawm lub qhov hluav taws xob qhov hluav taws xob! Kev siv hauv av tsis raug tuaj yeem ua rau hluav taws xob poob siab uas ua rau muaj kev puas tsuaj rau koj txoj kev noj qab haus huv lossis kev tuag! Tag nrho cov modules yuav tsum tsuas yog ua haujlwm nrog cov ntaub thaiv kev sib txuas kom zoo.
Nco ntsoov
Cov lus hauv qab no siv tau rau cov khoom lag luam hauv phau ntawv no tshwj tsis yog tau teev tseg hauv no. Cov nqe lus rau lwm yam khoom yuav tshwm nyob rau hauv cov ntaub ntawv nrog rau.
Nco tseg
Cov cuab yeej no tau raug sim thiab pom tias ua raws li cov kev txwv rau Class B cov cuab yeej digital, ua raws li Tshooj 15 ntawm FCC Cov Cai thiab ua tau raws li txhua qhov kev xav tau ntawm Canadian Interference-Causing Equipment Standard ICES-003 rau cov cuab yeej digital. Cov kev txwv no yog tsim los muab kev tiv thaiv tsim nyog tiv thaiv kev cuam tshuam tsis zoo hauv kev teeb tsa hauv tsev. Cov cuab yeej no tsim, siv, thiab tuaj yeem tawg lub zog ntawm xov tooj cua thiab, yog tias tsis tau nruab thiab siv raws li cov lus qhia, yuav ua rau muaj kev cuam tshuam rau kev sib txuas lus hauv xov tooj cua. Txawm li cas los xij, tsis muaj kev lees paub tias kev cuam tshuam yuav tsis tshwm sim hauv ib qho kev teeb tsa tshwj xeeb. Yog tias cov cuab yeej no ua rau muaj teeb meem cuam tshuam rau lub xov tooj cua lossis TV txais tos, uas tuaj yeem txiav txim siab los ntawm kev tig cov khoom siv thiab qhib, tus neeg siv tau raug txhawb kom sim kho qhov cuam tshuam los ntawm ib lossis ntau qhov kev ntsuas hauv qab no:
- Reorient los yog tshem tawm cov kav hlau txais xov.
- Ua kom muaj kev sib cais ntawm cov khoom siv thiab lub receiver.
- Txuas cov cuab yeej mus rau lub qhov hluav taws xob ntawm ib lub voj voog sib txawv ntawm qhov uas lub receiver txuas nrog.
- Nrog rau tus neeg muag khoom lossis tus kws tshaj lij xov tooj cua / TV rau kev pab.
- Cov neeg siv uas hloov lossis hloov kho cov khoom uas tau piav qhia hauv phau ntawv no hauv ib txoj hauv kev uas tsis tau pom zoo los ntawm Thorlabs (tus neeg saib xyuas kev ua raws cai) tuaj yeem ua rau tus neeg siv txoj cai ua haujlwm ntawm cov khoom siv.
Thorlabs GmbH tsis yog lub luag haujlwm rau ib qho kev cuam tshuam hauv xov tooj cua uas tshwm sim los ntawm kev hloov kho ntawm cov cuab yeej no lossis kev hloov pauv lossis txuas txuas ntawm cov cables thiab cov khoom siv uas tsis yog cov uas tau teev tseg los ntawm Thorlabs. Kev kho qhov cuam tshuam los ntawm kev hloov pauv tsis tau tso cai, hloov pauv lossis txuas ntxiv yuav yog lub luag haujlwm ntawm tus neeg siv. Kev siv cov ntaub thaiv npog I / O cables yog xav tau thaum txuas cov cuab yeej no mus rau ib qho thiab txhua qhov kev xaiv peripheral lossis host devices. Kev ua tsis tiav tuaj yeem ua txhaum cai FCC thiab ICES.
Nco ntsoov
Cov xov tooj ntawm tes, xov tooj ntawm tes lossis lwm lub xov tooj cua xa xov tooj cua yuav tsum tsis txhob siv nyob rau hauv thaj tsam ntawm peb metres ntawm chav tsev no vim tias qhov siv hluav taws xob hauv hluav taws xob tuaj yeem dhau qhov siab tshaj qhov tso cai cuam tshuam raws li IEC 61326-1. Cov khoom no tau raug sim thiab pom tias ua raws li cov kev txwv raws li IEC 61326-1 rau kev siv cov hlua txuas luv dua 3 meters (9.8 ko taw).
Cov ntawv pov thawj thiab kev ua raws cai
Warranty
Rau kev txhawb nqa lossis kev muag khoom nug, thov tuaj ntsib peb ntawm https://www.thorlabs.com/locations.cfm rau peb cov ntaub ntawv tiv tauj tshiab tshaj plaws. Tebchaws Asmeskas, Canada, thiab South AmericaThorlabs Tuam Tshoj chinasales@thorlabs.com Thorlabs 'End of Life' Txoj Cai (WEEE) Thorlabs txheeb xyuas peb txoj kev ua raws li WEEE (Khoom Hluav Taws Xob thiab Khoom Siv Hluav Taws Xob) cov lus qhia ntawm European Community thiab cov kev cai hauv tebchaws. Raws li, tag nrho cov neeg siv kawg hauv EC tuaj yeem rov qab "qhov kawg ntawm lub neej" Annex I qeb khoom siv hluav taws xob thiab hluav taws xob muag tom qab Lub Yim Hli 13, 2005 rau Thorlabs, yam tsis muaj nqi pov tseg. Cov chav tsev tsim nyog tau cim nrog lub cim "wheelie bin" logo (saib txoj cai), raug muag rau thiab tam sim no muaj los ntawm ib lub tuam txhab lossis lub koom haum hauv EC, thiab tsis raug cais tawm lossis tsis muaj kab mob. Hu rau Thorlabs yog xav paub ntxiv. Kev kho khib nyiab yog koj tus kheej lub luag haujlwm. "Lub neej kawg" units yuav tsum raug xa rov qab mus rau Thorlabs lossis xa mus rau lub tuam txhab tshwj xeeb hauv kev rov qab khib nyiab. Tsis txhob muab cov khoom pov tseg pov tseg rau hauv lub thoob khib nyiab lossis ntawm qhov chaw pov tseg pov tseg. Nws yog tus neeg siv lub luag haujlwm kom tshem tawm tag nrho cov ntaub ntawv ntiag tug khaws cia hauv lub cuab yeej
Cov ntaub ntawv / Cov ntaub ntawv
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Thorlabs SPDMA Ib Tug Photon Detection Module [ua pdf] Tus neeg siv phau ntawv SPDMA Tib Photon Detection Module, SPDMA, Tib Photon Detection Module, Photon Detection Module, Tshawb Pom Module, Module |