THORLABS DET100A2 Скачать руководство пользователя страница 15 | Manualshive

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THORLABS DET100A2 Скачать руководство пользователя страница 15

Si Biased Detector

Chapter 7: Specifications

Rev A December 27, 2017

Page 13

7.1. Response Curve

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DET100A2 Responsivity

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Wavelength (nm)

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Содержание DET100A2

Страница 1: ...DET100A2 Large Area Si Biased Detector User Guide...

Страница 2: ...4 5 Junction Capacitance 6 4 6 Bandwidth and Response 6 4 7 Terminating Resistance 7 4 8 Shunt Resistance 7 4 9 Series Resistance 7 4 10 Battery Check 7 4 11 Battery Replacement 8 Chapter 5 Common Ope...

Страница 3: ...ol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or chassis Terminal Equipotentiality On Supply Off Suppl...

Страница 4: ...l 12 V bias battery enclosed in a rugged aluminum housing The DET100A2 includes a removable 1 optical coupler SM1T1 providing easy mounting of ND filters spectral filters fiber adapters SMA FC and ST...

Страница 5: ...ce See Chapter 4 page 7 to determine resistor values Thorlabs sells a 50 terminator T4119 for best frequency performance and a variable terminator VT2 for output voltage flexibility Note the input imp...

Страница 6: ...the level of the output current to expect and the responsivity based upon the incident light Depicted in Figure 1 is a junction photodiode model with basic discrete components to help visualize the ma...

Страница 7: ...tage builds up This mode of operation exploits the photovoltaic effect which is the basis for solar cells 4 4 Dark Current Dark current is leakage current which flows when a bias voltage is applied to...

Страница 8: ...se time are drift time diffusion and rise time of the RC circuit Drift time tdf Time for electron hole pairs to move from the depletion zone to the electrodes The depletion zone has an intrinsic elect...

Страница 9: ...nction An ideal photodiode will have an infinite shunt resistance but actual values may range from the order of ten to thousands of M and is dependent on the photodiode material For example an InGaAs...

Страница 10: ...ue If one would like to reverse calculate the bias voltage more precisely using this feature then a high impedance load is suggested 4 11 Battery Replacement Thorlabs delivers each DET with an A23 12...

Страница 11: ...sed to produce a linear response with applied input light The photocurrent generated is based upon the incident light and wavelength and can be viewed on the oscilloscope by attaching a load resistanc...

Страница 12: ...cross the photodiode since point A is held at the same potential as point B by the operational amplifier This eliminates the possibility of dark current Photoconductive mode The photodiode is reversed...

Страница 13: ...ll have a 1 M input impedance For visible detectors point the detector toward a fluorescent light and verify that a 60 Hz 50 Hz outside the US signal appears on the scope If so the device should be op...

Страница 14: ...mA General On Off Switch Slide Battery Check Switch Momentary Pushbutton Output BNC DC Coupled Package Size 2 79 x 1 96 x 0 89 70 9 mm x 49 8 mm x 22 5 mm PD Surface Depth6 0 13 3 3 mm Weight 0 10 kg...

Страница 15: ...Detector Chapter 7 Specifications Rev A December 27 2017 Page 13 7 1 Response Curve 300 400 500 600 700 800 900 1000 1100 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 DET100A2 Responsivity Responsivity A W Wav...

Страница 16: ...Si Biased Detector Chapter 7 Specifications Page 14 TTN133840 D02 7 2 Mechanical Drawing Visit the web for a more detailed mechanical drawing...

Страница 17: ...Si Biased Detector Chapter 8 Certificate of Conformance Rev A December 27 2017 Page 15 Chapter 8 Certificate of Conformance...

Страница 18: ...abs 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...

Страница 19: ...nada and South America Thorlabs Inc sales thorlabs com techsupport thorlabs com Europe Thorlabs GmbH europe thorlabs com France Thorlabs SAS sales fr thorlabs com Japan Thorlabs Japan Inc sales thorla...

Страница 20: ...www thorlabs com...

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