High-Speed Balanced Optical Detection Module

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High-Speed Balanced Optical Detection Module

HC-BPDM-A-B-C，Spectral range 1000 ~ 1700nm，Response Time < 10ps，Common Mode Rejection Ratio 25dB

Specification

Resources

Product Features

Easy to use

Can be customized

Response Time < 10ps

DC 12V single power supply

High saturated optical power

Integrated low noise amplifier

Spectral range 1000 ~ 1700nm

3dB Bandwidth 10G/25G/40GHz

Common Mode Rejection Ratio 25dB

Application Field

OTDR

Laser radar

Coherent optical communication

Brillouin optical fiber sensing system

Optical coherence tomography (OCT)

Product introduction

High-speed balanced optical detection module can effectively reduce the laser noise and common mode noise, improve the signal-to-noise ratio of the system, bandwidth up to 40 GHz, easy to use and so on. It is mainly used in coherent optical communication, laser radar, microwave photon coherent detection and optical fiber sensing.

Technical parameters

Parameter	Symbol	Unit	HC-BPDM-10G	HC-BPDM-25G	HC-BPDM-40G
Response Wavelength	λ	nm	1000~1620		1525~1575
-3dB bandwidth	BW	GHz	＞10	＞25	＞37
Saturated input optical power	Ps	dBm	10
Common-mode rejection ratio	CMRR	dB	＞20（typ. 25）		＞15（typ. 18）
Responsivity @ 1550nm	R	A/W	＞0.9	＞0.8	＞0.45
Dark current	Id	nA	＜20		＜200（typ. 5）
Polarization dependent loss	PDL	dB	＜0.6		＜0.8（typ. 0.4）
Optical return loss	ORL	dB	＞25（typ. 30）		＞27
Power supply	U	V	DC 12V, 1A
Output coupling mode			AC, DC coupling optional
Output impedance	Z	Ω	50
Output RF connector	--		SMA（f）	K（f）	V(f)
Input fiber optic connector	--		FC/PC, FC/APC optional

Limiting conditions

Parameter	Symbol	Unit	Minimum value	Typical value	Maximum value
Balance that input optical power	Pin	mW			10
Operating temperature	Top	ºC	-20		70
Storage temperature	Tst	ºC	-40		85
Humidity	RH	%	5		90