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THORLABS APD110 Series, Operation Manual

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THORLABS APD110 Series Operation Manual Download Page 15

© 2019 Thorlabs

5 Appendix

13

5.2   Typical Detector Responsivity Curves

Typical Detector Responsivity APD110C; M = 10

Typical Detector Responsivity APD120A; M = 50

Summary of Contents for APD110 Series

Page 1: ...Avalanche Photodetectors APD110x 120x Operation Manual 2019 ...

Page 2: ...Version Date Item No 2 3 0 30 Dec 2019 M0009 510 963 Copyright 2019 Thorlabs ...

Page 3: ... 4 Maintenance and Service 11 5 Appendix 12 12 5 1 Technical Data 13 5 2 Typical Detector Responsivity Curves 15 5 3 Typical Output Frequency Response 17 5 4 Typical Spectral Noise 19 5 5 Typical M Factor Temperature Dependency 21 5 6 Drawings 24 5 7 Fiber Coupling onto Small Detector Area 25 5 8 Certifications and Compliances 26 5 9 Warranty 26 5 10 Copyright and Exclusion of Reliability 27 5 11 ...

Page 4: ...international partners are looking forward to hearing from you Thorlabs GmbH Warning Sections marked by this symbol explain dangers that might result in personal injury or death Always read the associated information carefully before performing the indicated procedure Please read this advice carefully This manual also contains NOTES and HINTS written in this form Attention Paragraphs preceded by t...

Page 5: ...AC 120 VAC 230 VAC can be selected with a switch on the power supply 1 1 Safety Attention The safety of any system incorporating the equipment is the responsibility of the assem bler of the system All statements regarding safety of operation and technical data in this instruction manual will only apply when the unit is operated correctly as it was designed for The APD110x 120x must not be operated...

Page 6: ...mounting holes APD120A2 M Avalanche Photodetector UV enhanced Silicon APD 200 1000 nm M4 mounting holes APD120A Avalanche Photodetector Silicon APD 400 1000 nm 8 32 mounting holes APD120A M Avalanche Photodetector Silicon APD 400 1000 nm M4 mounting holes AC coupled versions as well as open detector versions detector cover glass removed of each model can be ordered on request The APD110C M is fact...

Page 7: ...want to use your own power supply you can ask Thorlabs for an appropriate power con nector cable Carefully unpack the unit and accessories If any damage is noticed do not use the unit Call Thorlabs and have us replace the defective unit If necessary mount the unit on your optical table or application The unit has three tapped mounting holes see section Mounting for details Remove the metal cover c...

Page 8: ...eral with lower temperatures the M factor will increase with higher temperatures decrease Please see section M Factor Temperature Dependency for typical curves The APD110x 120x Series is powered by the included external power supply 12 V 250 mA via a PICO M8 power connector 3 1 1 Optical Input The APD110C uses an InGaAs Avalanche Photodiode with a detector active area diameter of 0 2 mm operating ...

Page 9: ...for a given wavelength can be read from the spectral responsivity curves see Tech nical Data to estimate the OUTPUT voltage The M factor is factory set to 50 APD120A APD120A2 or 10 APD110C at 23 C ambient temperature The amplifier s transimpedance gain G is 100 kV A Please note that OUTPUT voltage is reduced by a factor of 0 5 if connected to a 50 W load The maximum output voltage swing of OUTPUT ...

Page 10: ...f ex ternal optics filters apertures or fiber adapters as well as providing an easy mounting mechan ism using the Thorlabs cage assembly accessories The electrical connectors and the ON OFF switch are conveniently located on the side walls of the housing for easy access and to mini mize the thickness of the Avalanche Photodetector so it can fit into tight spaces For maximum flexibility the APD110x...

Page 11: ... must not exceed this maximum output voltage to avoid saturation External neutral density filters or attenu ators are recommended to reduce the input light level in critical cases Turn the power switch to O when you are finished the measurements Note Avoid saturating the amplifier Therefore make sure that the optical input power does not ex ceed the saturation power level listed in specifications ...

Page 12: ...ases an electrically isolated post see Thorlabs parts TRE or TRE M will sup press electrical noise coupling You should always try to identify the electrical noise sources and increase the distance to the Avalanche Photodetector If possible you can also rotate the Avalanche Photodetector input away from the noise source Different common ground points can also be tested The amplifier offset voltage ...

Page 13: ...r resistant Attention To avoid damage to the instrument do not expose it to spray liquids or solvents The unit does not need a regular maintenance by the user It does not contain any modules and or components that could be repaired by the user himself If a malfunction occurs please contact Thorlabs for return instructions Do not remove covers High voltage ...

Page 14: ... Conversion Gain 0 9 x 106 V W 2 5 x 106 V W 2 5 x 106 V W OUTPUT Bandwidth 3 dB DC to 50 MHz DC to 50 MHz DC to 50 MHz CW Saturation Power 4 2 µW 1 5 µW 1 5 µW Maximum Input Power Photodiode Damage Threshold 1 mW 1 mW 1 mW Minimum NEP DC 50 MHz Integrated Noise DC 50 MHz 3 3 nW RMS 1 4 nW RMS 1 5 nW RMS Electrical Output Impedance BNC 50 W Maximum Output Voltage 3 6 V High Z load 1 8 V 50 W DC Of...

Page 15: ... 2019 Thorlabs 5 Appendix 13 5 2 Typical Detector Responsivity Curves Typical Detector Responsivity APD110C M 10 Typical Detector Responsivity APD120A M 50 ...

Page 16: ... 2019 Thorlabs 14 APD110x 120x Typical Detector Responsivity APD120A2 M 50 ...

Page 17: ...his measurement a test signal generated by an optical transmitter was fiber coupled to the Avalanche Photodetector The OUTPUT frequency response was measured using a optical network analyzer Typical Output Frequency Response APD110C Typical Output Frequency Response APD120A ...

Page 18: ... 2019 Thorlabs 16 APD110x 120x Typical Output Frequency Response APD120A2 ...

Page 19: ...pectrum analyzer resolution bandwidth 10 kHz video bandwidth 10 kHz The optical input of the detector was blocked The black curve Reference was measured with the same setup and the detector switched off i e it represents the measurement system s noise floor Typical Spectral Noise APD110C Typical Spectral Noise APD120A ...

Page 20: ... 2019 Thorlabs 18 APD110x 120x Typical Spectral Noise APD120A2 ...

Page 21: ... 2019 Thorlabs 5 Appendix 19 5 5 Typical M Factor Temperature Dependency Typical Dependency of the M Factor vs Temperature APD110C Typical Dependency of the M Factor vs Temperature APD120A ...

Page 22: ... 2019 Thorlabs 20 APD110x 120x Typical Dependency of the M Factor vs Temperature APD120A2 Note The grey color range in above diagrams marks the specified for the APD110x 120x tempera ture range ...

Page 23: ... 2019 Thorlabs 5 Appendix 21 5 6 Drawings Distance between the surface of the active detector area and the front of the flange Distance A Type A2 Type C Type a 2 2 0 3 mm 2 2 0 3 mm 2 8 0 3 mm ...

Page 24: ... 2019 Thorlabs 22 APD110x 120x Dimensions APD110C 120X Series Imperial ...

Page 25: ... 2019 Thorlabs 5 Appendix 23 Dimensions APD110C M and APD120X M Series Metric ...

Page 26: ...smaller than 1 mm the beam divergence out of the fiber needs to be compensated by using a collimator and a focusing lens Below is a possible ar rangement The assembly in front of the APD110x 120x comprises of a fiber collimator dependent on fiber a lens tube collimator adapter AD11F or AD12F dependent on collimator a SM1L1 lens tube with aspheric lens inside not visible above and a LM1XY X Y trans...

Page 27: ... 2019 Thorlabs 5 Appendix 25 5 8 Certifications and Compliances ...

Page 28: ...ual or the technical data of the de scribed unit at any time 5 10 Copyright and Exclusion of Reliability Thorlabs has taken every possible care in preparing this document We however assume no li ability for the content completeness or quality of the information contained therein The content of this document is regularly updated and adapted to reflect the current status of the hardware and or softw...

Page 29: ...e does not refer to other Thorlabs products such as pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards components mechanics and optics left over parts of units disassembled by the user PCB s housings etc Waste treatment on your own responsibility If you do not return an end of life unit to Thorlabs you must hand it to a company specialized in was...

Page 30: ...Acronyms AC Alternating Current APD Avalanche Photo Diode CW Continuous Wave DC Direct Current LED Light Emitting Diode NEP Noise Equivalent Power RF Radio Frequencies Si Silicon SNR Signal to Noise Ratio UV Ultraviolet References 1 Hamamatsu Technical Information SD 28 ...

Page 31: ...Thorlabs Inc sales thorlabs com techsupport thorlabs com UK and Ireland Thorlabs Ltd sales uk thorlabs com techsupport uk thorlabs com Europe Thorlabs GmbH europe thorlabs com Scandinavia Thorlabs Sweden AB scandinavia thorlabs com France Thorlabs SAS sales fr thorlabs com Brazil Thorlabs Vendas de Fotônicos Ltda brasil thorlabs com Japan Thorlabs Japan Inc sales thorlabs jp China Thorlabs China c...

Page 32: ...www thorlabs com ...

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