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Low noise photodetector

PRODUCTS > PHOTONICS > PHOTODETECTORS > LOW NOISE PHOTODETECTOR
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

Koheron PD100 photodetectors are amplified 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. PD100 photodetectors are available with mounted InGaAs photodiode or without photodiode and in AC or DC coupled versions.

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Specifications

PD100-AC PD100-DC
Coupling AC DC
Power supply (positive) 6 - 15 VDC 6 - 15 VDC
Power supply (negative) -15 to -6 VDC -15 to -6 VDC
Small signal bandwidth 1.6 kHz - 105 MHz at 3 dB (Cin = 4 pF) 0 - 110 MHz at 3 dB (Cin = 4 pF)
Transimpedance gain 3.9 kV / A 3.9 kV / A
Input current noise density 9 pA / √Hz (at 10 MHz, Cin = 4 pF) 7 pA / √Hz (at 10 MHz, Cin = 4 pF)
Offset voltage ±2 mV ±2 mV
Output impedance 50 Ω 50 Ω
Outside Dimensions 38 mm x 53 mm x 14 mm 38 mm x 53 mm x 14 mm
Outputs SMA SMA
Mechanical details Compatible with M6 metric breadboards (25 mm spacing) Compatible with M6 metric breadboards (25 mm spacing)
Weight 15 g 15 g
InGaAs photodiode
Wavelength range 900 - 1700 nm 900 - 1700 nm
Optical input power 0 - 2.5 mW 0 - 0.6 mW
Photodiode connector FC FC
Photodiode active diameter 300 µm 300 µm
Photodiode peak responsivity 0.90 A / W 0.90 A / W
Operating temperature 0 °C - 50 °C 0 °C - 50 °C

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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.

Export information

PD100-AC, PD100-DC
HS code 8541.40.90
Country of Origin France
PD100-AC-NOP, PD100-DC-NOP
HS code 8542.39.90
Country of Origin France

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