Low noise photodetector

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PD100 - Photodetector with integrated transimpedance amplifier for coherent sensing
PD100 - Photodetector with integrated transimpedance amplifier for coherent sensing PD100 - Diagram PD100 - Shot noise PD100 - Frequency response PD100 - Noise Equivalent Power PD100 mechanical drawing

Koheron PD100 photodetectors are amplified InGaAs photodetectors with a bandwidth in excess of 100 MHz. Designed for shot noise limited operation with hundreds of µW of incident power, PD100 photodetectors make perfect candidates for coherent sensing.

175 €

PD100-AC

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Specifications

PD100-AC
PD100-DC
Wavelength range 900 - 1700 nm 900 - 1700 nm
Small signal bandwidth 1.6 kHz - 105 MHz at 3 dB 0 - 110 MHz at 3 dB
Coupling AC DC
Transimpedance gain 3.9 kV / A 3.9 kV / A
Power supply (positive) 6 - 15 VDC 6 - 15 VDC
Power supply (negative) -15 to -6 VDC -15 to -6 VDC
Optical input power 0 - 2.5 mW 0 - 0.6 mW
Noise Equivalent Power 9 pW / Hz1/2 (at 10 MHz) 7 pW / Hz1/2 (at 10 MHz)
Offset voltage +/- 2 mV +/- 2 mV
Output impedance 50 Ω 50 Ω
Dimensions 38 mm x 57 mm x 12 mm 38 mm x 57 mm x 12 mm
Photodiode connector FC FC
Photodiode active diameter 300 µm 300 µm
Outputs SMA SMA
Mechanical details Compatible with M6 metric breadboards (25 mm spacing) Compatible with M6 metric breadboards (25 mm spacing)

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Functional diagram

PD100 Photodetector functional diagram

Characterization

Output power spectral density

The power spectral density of the PD100 output is given for different incident optical powers. The spectrum analyzer is a Tektronix RSA306 in series with a Mini-Circuits ZFL-500LN+ 28 dB low-noise amplifier. Optical source is a Koheron LD100 laser at 1550 nm .

PD100-DC photodetector power spectral density

DC-coupled PD100 output power density

PD100-AC photodetector power spectral density

AC-coupled PD100 output power density

Frequency response

PD100 photodetector frequency response

Noise equivalent power

PD100 photodetector noise equivalent power



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Revision history

  • 2 - August 2018: New options: PD100-AC / PD100-DC.

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