ROF-BPR OCT systems High bandwidth fixed gain Balanced Photodetector Silicon Photodetector

Short Description:

ROF -BPR series of balanced light detection module （balanced photodetector Silicon Photodetector）integrates two matching photodiode and an ultra-low noise transimpedance amplifier, effectively reducing the laser noise and common mode noise, improving the system’s noise ratio, having a variety of spectral response optional , Low noise, high gain, easy to use and so on, Mainly being used for spectroscopy, heterodyne detection, optical delay measurement, optical coherence tomography and other fields.

High-gain balanced detection module(Balanced Photodetector) optimized for third-generation OCT (SS-OCT) systems, with high gain and low noise characteristics, high common-mode rejection ratio through wavelength optimization, high output voltage amplitude (~7V), and configured Monitor monitoring signal (up to 10Vpp) output. The detector is available at DC-400MHz, 500K-1GHz, 500K-1.6GHz and is optimized for 1064nm and 1310nm wavelengths.

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Product Detail

Rofea Optoelectronics offer Optical and photonics Electro-optic modulators products

Product Tags

Feature

Typical wavelength: 850/1064/1310/1550nm
3dB bandwidth: 400MHz/1GHz/1.6GHz
High common-mode rejection ratio: > 25dB
High gain: 150×103V/W

ROF High bandwidth Balanced Photodetector Silicon Photodetector

Application

⚫Heterodyne detection
⚫Optical delay measurement
⚫Optical fiber sensing system
⚫（OCT）

SS-OCT schematic diagram

Parameters

Performance parameters BPR-400MHz

Model number	ROF-BPR-400M-A2-FC-AC	ROF-BPR-400M-A1-FC-AC
Spectral response range	1200-1700nm	900-1400
Typical wavelength	1310nm/1550nm	1064nm
responsivity	0.9A/W@1550nm	0.7A/W@1064nm
3dB bandwidth	10KHz-400MHz	10KHz-400MHz
Common-mode rejection ratio CMRR	>25dB(30dB typ.)	>25dB(30dB typ.)
Gain @ High resistance state	14×10³V/W	10×10³V/W
Noise voltage (RMS)	＜5mV_RMS	＜5mV_RMS
Saturated optical power	400mW	800mW
Maximum output amplitude @ High resistance	5Vpp	5Vpp
Damaged optical power	10mW
Operating temperature range	-20~+70 ℃
Operating voltage	DC ±12V (with low noise power adapter)
Working current	60mA
Input connector	FC
Output connector	SMA
Output impedance	50 ohms
Output coupling mode	AC coupling (DC optional)
Overall dimensions (mm)	78.5 mm * 71 mm * 25.7 mm

Performance parameters BPR-1GHz

Model number	ROF-BPR-1G-A2-FC	ROF-BPR-1G-A1-FC
Spectral response range	1200-1700nm	900-1400
Typical wavelength	1310nm/1550nm	1064nm
responsivity	0.9A/W@1550nm	0.7A/W@1064nm
3dB bandwidth	500K-1GHz	500K-1GHz
Common-mode rejection ratio CMRR	>25dB(30dB typ.)	>25dB(30dB typ.)
Gain @ High resistance state	36×10³V/W	28×10³V/W
Noise voltage (RMS)	＜8mV_RMS	＜8mV_RMS
Saturated optical power	380mW	500mW
Maximum output amplitude @50Ω	3.5Vpp	3.5Vpp
Damaged optical power	10mW
Operating temperature range	-20~+70 ℃
Operating voltage	DC ±12V (with low noise power adapter)
Working current	200mA
Input connector	FC
Output connector	SMA
Output impedance	50 ohms
Output coupling mode	AC coupling
Overall dimensions (mm)	78.5 mm * 71 mm * 25.7 mm

Performance parameters BPR-1.6GHz

Model number	ROF-BPR-1.6G-A2-FC	ROF-BPR-1.6G-A1-FC
Spectral response range	1200-1700nm	900-1400
Typical wavelength	1310nm/1550nm	1064nm
responsivity	0.9A/W@1550nm	0.7A/W@1064nm
3dB bandwidth	500K-1.6GHz	500K-1.6GHz
Common-mode rejection ratio CMRR	>25dB(30dB typ.)	>25dB(30dB typ.)
Gain @ High resistance state	16×10³V/W	11×10³V/W
Noise voltage (RMS)	＜10mV_RMS	＜10mV_RMS
Saturated optical power	800mW	1mW
Maximum output amplitude @50Ω	3Vpp	3Vpp
Damaged optical power	10mW
Operating temperature range	-20~+70 ℃
Operating voltage	DC ±12V (with low noise power adapter)
Working current	350mA
Input connector	FC
Output connector	SMA
Output impedance	50 ohms
Output coupling mode	AC coupling
Overall dimensions (mm)	78.5 mm * 71 mm * 25.7 mm

Monitor indicator

Monitor	ROF-BPR-XX-A2		ROF-BPR-XX-A1
Operating bandwidth	DC-5MHz
Conversion gain	10×10³V/W	7×10³V/W
Noise voltage (RMS)	5mVpp
Output impedance	200 ohms
Output amplitude	10Vpp

Curve

Characteristic curve

Spectral response curve Internal circuit diagram

Dimensions（mm）

Information

Ordering information

ROF

XXX

BPR-- Fixed gain balanced detectorGBPR-- Gain adjustable balance detector

-3dB bandwidth：10M---10MHz

80M---80MHz

200M---200MHz

350M---350MHz

400M---400MHz

1G---1GHz

1.6G---1.6GHz

Operating wavelength：A---850~1650nm

(1550nm test)

B---320~1000nm

(850nm test)

A1---900~1400nm

(1064nm test）

A2---1200~1700nm

(1310nm or 1550nm test)

Input type:FC----Fiber coupling

FS----Free space

Coupling type：DC---DC Coupling
AC---AC Coupling

Gain type:Null-- Normal gain

H--High gain requirement

Note:

1,10 M, 80MHz, 200MHz, 350MHz and 400 MHZ bandwidth detectors support operating bands A and B; Coupling Type Both AC and DC coupling are optional.

2, 1GHz, 1.6GHz, support working bands A1 and A2; Coupling type Only AC coupling is supported.

3, the gain is adjustable (150MHz) to support the working band A and B; Coupling Type Both AC and DC coupling are optional.

4, example, ROF-BPR-350M-A-FC-AC: 350MHz fixed gain balanced probe module, operating wavelength 1550nm(850-1650nm), AC coupled output.

* please contact our seller if you have special requirements

About Us

Rofea Optoelectronics exhibits a wide range of electro-optic products including modulators, photodetectors, laser sources, dfb lasers, optical amplifiers, EDFAs, SLD lasers, QPSK modulation, pulsed lasers, photodetectors, balanced photodetectors, semiconductor lasers, laser Drivers, fiber couplers, pulsed lasers, fiber amplifiers, optical power meters, broadband lasers, tunable lasers, optical delays, electro-optic modulators, photodetectors, laser diode drivers, fiber amplifiers, erbium-doped fiber amplifiers, and source lasers.
We also provide custom modulators, including 1*4 array phase modulators, ultra-low Vpi and ultra-high extinction ratio modulators, which are specially designed for universities and research institutes.
These products feature electro-optic bandwidth up to 40 GHz, wavelength range from 780 nm to 2000 nm, low insertion loss, low Vp, and high PER, making them suitable for a variety of analog RF links and high-speed communication applications.

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Rofea Optoelectronics offers a product line of commercial Electro-optic modulators, Phase modulators, Intensity modulator, Photodetectors, Laser light sources, DFB lasers,Optical amplifiers, EDFA, SLD laser, QPSK modulation, Pulse laser, Light detector, Balanced photodetector, Laser driver, Fiber optic amplifier, Optical power meter, Broadband laser, Tunable laser, Optical detector, Laser diode driver, Fiber amplifier. We also provide many particular modulators for customization, such as 1*4 array phase modulators, ultra-low Vpi, and ultra-high extinction ratio modulators, primarily used in universities and institutes.
Hope our products will be helpful to you and your research.

Amplified Photodetector