High sensitivity photodetector

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PD01 - High sensitivity photodetector
PD01 - High sensitivity photodetector PD01 - Noise Equivalent Power PD01 - Frequency response PD01 - Mechanical dimensions

Koheron PD01 is an InGaAs transimpedance amplified photodetector with a Noise Equivalent Power (NEP) below 1 pW / √Hz between 100 Hz and 100 kHz. It accepts up to 50 µW of optical power and has a 3 dB bandwidth of 400 kHz. The AC-coupled output and the adjustable gain enable easy interfacing with analog-to-digital converters.

195 €

PD01-AC-400

Quantity Price
1+ 195 €
4+ 155 €
20+ 115 €

Resources

Specifications

Reference PD01-AC-400
Photodetection
Photodiode InGaAs PIN photodiode
Photodiode active diameter 300 µm
Wavelength range 900 - 1700 nm
Peak wavelength 1550 nm
Optical input power 0 - 50 µW
Peak responsivity 0.90 A / W
Small signal bandwidth 1 Hz - 400 kHz at 3 dB
Coupling AC
Impulse response 1 µs (FWHM)
Noise Equivalent Power 500 fW / Hz1/2 (at 10 kHz)
Transimpedance gain 240 kV / A (Hi-Z), 120 kV / A (50 Ω)
High gain setting 2400 kV / A (Hi-Z), 1200 kV / A (50 Ω)
Output impedance 50 Ω
Output noise 300 µVRMS (1 Hz - 400 kHz)
Output current max 20 mA
Output dark offset 250 µV
Output voltage 28 Vpp (Hi-Z), 3.8 Vpp (50 Ω)
Output slew rate 20 V / µs (Hi-Z), 10 V / µs (50 Ω)
Other
Positive supply voltage +15 V
Negative supply voltage -15 V
Dimensions 38 mm x 57 mm x 12 mm
Weight 15 g
Output SMA
Photodiode connector FC
Mechanical details Compatible with M6 metric breadboards (25 mm spacing)

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Characterization

Noise performance

Photodetector Noise Equivalent Power vs frequency

Frequency response

Photodetector frequency response

Impulse response

Photodetector impulse response

Step response

Photodetector step response


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