InGaAs Gain adjustable balanced detector 800-1700nm DC 350MHz

The detector can adjust the gain conveniently and quickly through software, with a gain adjustment range of up to 31dB and a maximum gain of up to 60KV/A. During the gain adjustment process, the adjustment speed is fast, the noise is low, and the output signal-to-noise ratio and signal bandwidth are not affected, which is particularly suitable for scientific research and equipment integration.

Product features：Gain adjustable (software adjustment)、 Large gain adjustment range (0~31dB)、 No signal-to-noise ratio degradation、 High gain (60KV/A)、 Low noise, high bandwidth、 Easy to operate

Application area：Distributed fiber optic sensing、 Laser wind radar、 Optical coherence tomography、 Spectral measurement、 ns-level optical pulse detection

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Part Number

ABD-350M-A

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General Parameters

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Dimensional Drawing

Parameters

Product model	ABD-100M-A	ABD-200M-A	ABD-350M-A	ABD-800M-A	ABD-1.6G-A	Unit
Wavelength	800~1700	800~1700	800~1700	800~1700	800~1700	nm
Bandwidth	DC-100M	DC-200M	DC-350M	AC-800M	AC-1.6G	HZ
Detector responsivity	0.95@1550nm	0.95@1550nm	0.95@1550nm	0.95@1550nm	0.95@1550nm	A/W
Gain adjustment range	0~31	0~31	0~31	0~31	0~31	dB
Gain adjustment step	1	1	1	1	1	dB
Transimpedance gain	30k	30k	30k	30k	30k	V/A
Saturated input optical power	100	150	150	150	150	μW
NEP	5	5	5	9	9	pW/Sqrt(Hz)
Output impedance	50	50	50	50	50	Ω
Output coupling mode	AC	AC	AC	AC	AC
Supply voltage	5	5	5	12	12	V
Supply current	0.5(max)	0.5(max)	0.5(max)	0.5(max)	0.5(max)	A
Optical input	FC/APC	FC/APC	FC/APC	FC/APC	FC/APC
RF output	SMA	SMA	SMA	SMA	SMA
Dimensions	808030	808030	808030	808030	808030	mm

Related test data:

Noise floor benchmarking test with foreign Thorlabs products

Noise floor 10mVpp

200MHz beat frequency signal (oscilloscope data)

Typical application areas:

Coherent Detection Distributed Fiber Optic Sensing

PZT vibration point demodulation phase on optical fiber (1KHz)

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