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Summary of Contents for THORLABS DET01CFC
- Page 1 DET01CFC(/M) Fiber Input InGaAs Biased Detector User Guide...
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Page 2: Table Of Contents
Troubleshooting ............... 11 Chapter 7 Specifications ..............12 7.1. Response Curve ............ 13 7.2. Mechanical Drawing .......... 14 Chapter 8 Certificate of Conformance ..........15 Chapter 9 Regulatory ................ 16 Chapter 10 Thorlabs Worldwide Contacts ........17 ... -
Page 3: Chapter 1 Warning Symbol Definitions
InGaAs Biased Detector Chapter 1: Warning Symbol Definitions Chapter 1 Warning Symbol Definitions Below is a list of warning symbols you may encounter in this manual or on your device. Symbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or chassis Terminal... -
Page 4: Chapter 2 Description
Chapter 2: Description Chapter 2 Description The DET01CFC is a ready-to-use, high-speed InGaAs photodetector for use with FC/PC connectorized fiber optic cables in NIR optical systems. The unit comes with an FC/PC bulkhead connector, detector, and 12 V bias battery enclosed in a compact aluminum housing. -
Page 5: Chapter 3 Setup
Step 1 in the setup instructions below outline how to mount the detector onto a post. Unpack the optical head, install a Thorlabs TR-series ½" diameter post into one of the #8-32 (M4 on /M version) tapped hole, located on the bottom and side of the sensor, and mount into a PH-series post holder. -
Page 6: Chapter 4 Operation
Depicted in Figure 1 is a junction photodiode model with basic discrete components to help visualize the main characteristics and gain a better understanding of the operation of Thorlabs' photodiodes. Figure 1 Photodiode Model 4.2. -
Page 7: Dark Current
InGaAs Biased Detector Chapter 4: Operation Photoconductive In photoconductive mode a reverse external bias is applied, which is the basis for our DET series detectors. The current measured through the circuit indicates illumination of the device; the measured output current is linearly proportional to the input optical power. -
Page 8: Junction Capacitance
InGaAs Biased Detector Chapter 4: Operation The table below gives some advantages to each common type of detector material. Dark Sensitivity Material Current Speed (nm) Cost Silicon (Si) High 400 – 1000 Germanium (Ge) High 900 – 1600 Gallium Phosphide (GaP) High 150 –... -
Page 9: Terminating Resistance
InGaAs Biased Detector Chapter 4: Operation 4.7. Terminating Resistance We use a load resistance convert the generated photocurrent into a voltage ) for viewing on an oscilloscope: Depending on the type of the photodiode, load resistance can affect the response speed. For maximum bandwidth, we recommend using a 50 Ω coaxial cable with a 50 Ω... -
Page 10: Battery Replacement
InGaAs Biased Detector Chapter 4: Operation 4.11. Battery Replacement Thorlabs delivers each DET with an A23 12 V battery installed. This battery is readily available at most retail stores, as well as through Thorlabs. The battery supplied will deliver about 40 hours with a 1 mA load, roughly equivalent to a continuous 1.5 mW light source at peak... -
Page 11: Chapter 5 Common Operating Circuits
InGaAs Biased Detector Chapter 5: Common Operating Circuits Chapter 5 Common Operating Circuits RC Filter External Protection Diode Photodetector Voltage Resistor V Bias Regulator 1 kΩ On/Off Switch LOAD Capacitor 0.1 µF Battery Figure 2 Basic DET Circuit The DET Series Detectors are designed according the circuit depicted above. The detector is reverse biased to produce a linear response with applied input light. - Page 12 InGaAs Biased Detector Chapter 5: Common Operating Circuits One can also use a photodetector with an amplifier for the purpose of achieving high gain. The user can choose whether to operate in Photovoltaic of Photoconductive modes. There are a few benefits of choosing this active circuit: ...
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Page 13: Chapter 6 Troubleshooting
InGaAs Biased Detector Chapter 6: Troubleshooting Chapter 6 Troubleshooting Problem Suggested Solutions There is no signal response or Verify that the battery is inserted and has sufficient response is slower than power (>9V) expected. Verify the proper terminating resistor is installed if using a Voltage measurement device. -
Page 14: Chapter 7 Specifications
InGaAs Biased Detector Chapter 7: Specifications Chapter 7 Specifications All measurements performed at 25 °C unless stated otherwise. Electrical Specifications Parameter Symbol Value Detector InGaAs PIN Active Area Diameter Ø0.12 mm Wavelength Range λ 800 to 1700 nm Peak Wavelength λ... -
Page 15: Response Curve
InGaAs Biased Detector Chapter 7: Specifications production units. Bandwidth is defined as the boundary at which the output of the circuit is 3 dB below the nominal output. 7.1. Response Curve Spectral Response 1000 1100 1200 1300 1400 1500 1600 1700 Wavelength (nm) Rev G, April 17, 2017... -
Page 16: Mechanical Drawing
InGaAs Biased Detector Chapter 7: Specifications 7.2. Mechanical Drawing Visit the web for a more detailed mechanical drawing. Page 14 15830-D02... -
Page 17: Chapter 8 Certificate Of Conformance
InGaAs Biased Detector Chapter 8: Certificate of Conformance Chapter 8 Certificate of Conformance Rev G, April 17, 2017 Page 15... -
Page 18: Chapter 9 Regulatory
9.1. Waste Treatment is Your Own Responsibility If you do not return an “end of life” unit to Thorlabs, you must hand it to a company specialized in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site. -
Page 19: Chapter 10 Thorlabs Worldwide Contacts
Fax: +46-31-703-40-45 www.thorlabs.de www.thorlabs.com Email: europe@thorlabs.com Email: scandinavia@thorlabs.com France Brazil Thorlabs SAS Thorlabs Vendas de Fotônicos Ltda. 109, rue des Côtes Rua Riachuelo, 171 78600 Maisons-Laffitte São Carlos, SP 13560-110 France Brazil Tel: +33 (0) 970 444 844 Tel: +55-16-3413 7062... - Page 20 www.thorlabs.com...
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