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Related Manuals for THORLABS SPDMH2
Summary of Contents for THORLABS SPDMH2
- Page 1 Single Photon Detectors SPDMH2, SPDMH3, SPDMH2F, SPDMH3F Operation Manual 2022...
- Page 2 Version: Date: 23-May-2022 Copyright © 2022 Thorlabs...
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Page 3: Table Of Contents
5.1 Technical Data 5.2 Performance Plots 5.2.1 Photon Detection Efficiency 5.3 Dimensions 5.4 Safety 5.5 Certifications and Compliances 5.6 Return of Devices 5.7 Manufacturer Address 5.8 Warranty 5.9 Copyright and Exclusion of Liability 5.10 Thorlabs Worldwide Contacts - WEEE Policy... - Page 4 Paragraphs preceded by this symbol explain hazards that could damage the instrument and the connected equipment or may cause loss of data. Note This manual also contains "NOTES" and "HINTS" written in this form. Please read this advice carefully! © 2022 Thorlabs...
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Page 5: General Information
100 Hz while for SPDMH3 and SPDMH3F, Thorlabs specifies a 250 Hz dark count rate. The detectors can be purchased in a free space version (item #s SPDMH2 or SPDMH3) or with an FC-PC fiber-optic receptacle, pre-aligned to the optical detector to connect a multimode op- tical fiber with an FC connector (item #s SPDMH2F or SPDMH3F). -
Page 6: Getting Started
SPDMHx Series 2 Getting Started 2 Getting Started 2.1 Parts List Please inspect the shipping container for damage. Please do not cut through the cardboard, as the box might be needed for storage or returns. If the shipping container appears to be damaged, keep it until you have inspected the contents for completeness and tested the SPDMHx Series mechanically and electrically. -
Page 7: Operation
3 Operation 3.1 Operating Elements SPDMH2 and SPDMH3 The components of the SPDMH2 and SPDMH3 free space detectors are labeled in the image of the SPDMH2. SPDMH2 and SPDMH3 components look identical. SPDMH2F and SPDMH3F The components of the SPDMH2F and SPDMH3F detectors with fiber couplers are labeled in the image of the SPDMH2F. -
Page 8: Mounting
SPDMHx Series 3 Operation Rear View The connectors on the back are labeled in the image of an SPDMH2 single photon detector. The rear sides the SPDMHx Series models SPDMH2, SPDMH2F, SPDMH3, and SPDMH3F look identical. 3.2 Mounting The SPDMHx Series detectors can be integrated in an optical setup from the... -
Page 9: Optical Input
Setup for the SPDMH2 or SPDMH3 free space detectors · The SPDMH2 and SPDMH3 detectors have a free space input aperture and show best per- formance if the light is focused onto a small spot (<70 mm diameter) in the center of the sensor area. -
Page 10: Gating Function And Ttl Output
Active Sensor Area - Focusing the Beam The SPDMH2 and SPDMH3 free space detectors show best performance if the light is focused to on a small spot (<70 mm diameter) in the center of the sensor active area. Off-center focus- ing or overfilling the sensor area might lead to a significantly lower detection efficiency and/or increased FWHM of the photon timing resolution. - Page 11 The following plot shows the effect of the dead time as the measured count rate does not pro- portionally increase with the real photon rate for high count rates due to the dead time effect. The correction factor is required to receive the real photon rate. Rev: 1.1, 23-May-2022 © 2022 Thorlabs Page 7...
- Page 12 SPDMHx Series 3 Operation Impact of Optical Power Single photon detection is applicable to very low light levels. The measured photon rate de- creases with increasing optical power. Thus, at high optical power, the measured photon rate will differ from the real photon rate. The following graph helps to understand the optical power level for which the actual single photon counting method is relevant.
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Page 13: Maintenance And Service
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. If a malfunction occurs, please see the chapter Return of Devices and contact Thorlabs for return instructions. Do not remove covers! Rev: 1.1, 23-May-2022 © 2022 Thorlabs Page 9... -
Page 14: Appendix
SPDMHx Series 5 Appendix 5 Appendix 5.1 Technical Data Item # SPDMH2 SPDMH2F SPDMH3 SPDMH3F Detector Detector Type Si APD Wavelength Range 400 nm - 1000 nm Diameter of Active Detector 100 mm Area (nominal) Typical Photon Detection Effi- 10% @ 405 nm... -
Page 15: Performance Plots
) Default in the absence of a TTL signal is > 2.4 V, allowing signal to the pulse output. ) Non-condensing, Max Humidity: 85% at 40 °C. ) Weight of the Detector with the protection cap only, excluding all shipped accessories. 5.2 Performance Plots 5.2.1 Photon Detection Efficiency Rev: 1.1, 23-May-2022 © 2022 Thorlabs Page 11... -
Page 16: Dimensions
SPDMHx Series 5 Appendix 5.3 Dimensions SPDMH2 SPDMH2 and SPDMH3 outer dimensions are identical. Page 12 MTN028160-D02... - Page 17 SPDMHx Series 5 Appendix SPDMH2F SPDMH2F and SPDMH3F outer dimensions are identical. Rev: 1.1, 23-May-2022 © 2022 Thorlabs Page 13...
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Page 18: Safety
This precision device is only serviceable if returned and properly packed into the complete ori- ginal packaging including the cardboard inserts. If necessary, ask for replacement packaging. Refer servicing to qualified personnel! Changes to this device cannot be made nor may components not supplied by Thorlabs be used without written consent from Thorlabs. Attention... -
Page 19: Certifications And Compliances
SPDMHx Series 5 Appendix 5.5 Certifications and Compliances Rev: 1.1, 23-May-2022 © 2022 Thorlabs Page 15... -
Page 20: Return Of Devices
All rights reserved. This document may not be reproduced, transmitted or translated to another language, either as a whole or in parts, without the prior written permission of Thorlabs. Copy- right © Thorlabs 2022. All rights reserved. -
Page 21: Thorlabs Worldwide Contacts - Weee Policy
EC, and are not dissembled or contaminated. Contact Thorlabs for more informa- tion. Waste treatment is your own responsibility. “End of life” units must be returned to Thorlabs or handed to a company specializing in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site. - Page 22 www.thorlabs.com...
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