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ROF Si photondetector avalanche photodiodes free running single photon detector
The R-QCD300B is a series of silicon free-running single photon detectors. The core component is an integrated cooling type silicon single photon avalanche diode. An AQAR chip is integrated inside, which has active quenching and active recovery functions and can operate in the free-running mode. This product has a USB communication interface and an external departmental control input interface, enabling it to flexibly support users in conducting various applications of single photon detectors based on this.
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Rof-QPD series APD/PIN Photodetector Four-quadrant photoelectric detection module 4 quadrant Photodetector
The R-QPD-A/B series four quadrant PIN optical detection module adopts imported four quadrant photodiodes, integrates power supply circuits and corresponding low-noise amplification circuits, and has the characteristics of low noise, high responsiveness, and fast response speed. It is widely used in fields such as laser collimation, laser communication, and laser guidance.R-QPD-A-20K and R-QPD-B-20K are mainly used for measuring the position of laser beams in spatial optical paths. Users can choose corresponding acquisition modules and display the spot position in real time through the upper computer software. Communication protocols can also be provided for secondary development. R-QPD-A-20M is mainly used for target capture and tracking, as well as for detecting beat frequency signals in high-precision angle measurement. The module adopts J30J DB15 connector to achieve power supply and 4-channel independent signal output.
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ROF Mini high gain balanced optical detection module OCT system Balanced Photodetector
ROF -BPR series of balanced light detection module （balanced 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.
The mini balanced detection module optimized for OCT systems in ophthalmology has high gain and low noise characteristics, high common-mode rejection ratio and high output voltage amplitude (~12V) through wavelength optimization. It has been used in batch applications in medical OCT devices, and the detector can also be optimized for 1310nm and 1550nm wavelengths.
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ROF Balanced Photodetector High Sensitivity Photodetector silicon Photodetector with amplification
ROF -BPR series of balanced light detection module （balanced 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.
BPR series 200M and 350M high-gain balanced detection modules, with high gain and low noise characteristics, through two PIN tube response optimization to achieve high common-mode rejection ratio and high output voltage amplitude (~3.5V), this detection module can provide different gain and coupling output modes according to customer requirements. It is very suitable for coherent detection systems such as coherent Doppler wind radar.
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ROF-BPR Series OCT system Equipped with amplification balanced photodetector
ROF-BPR Series Equipped with amplification balanced photodetector
The ROF-BPR series balanced light detection module integrates two matched photodiodes and an ultra-low noise transimpedance amplifier, effectively reducing laser noise and common mode noise, improving the signal-to-noise ratio of the system, with multiple wavelengths and bandwidths to choose from, low noise, high gain, and convenient use. Mainly used in laser radar heterodyne detection, optical delay measurement, optical coherence tomography (OCT system) and other fields. -
ROF Si adjustable gain photodetector Silicon Photodetector
The ROF-PR-11M-B is a silicon (Si) photodetector with amplification and adjustable gain, designed for detecting optical signals ranging from 320nm to 1100nm. It features an 8-position rotary switch, enabling users to adjust gain in 10dB steps. The buffer can drive high-impedance loads with an output of up to 10V and delivers 5V under a 50Ω load. The housing of the ROF-PR-11M-B includes a detachable threaded connector (SM1T1) and a fixed ring (SM1RR), which are compatible with optical accessories of the same specifications via internal or external threads. This facilitates the easy installation of external optical filters and provides a straightforward mounting mechanism.
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ROF-PD 10GHz High-Speed Photodetector Light Detection Module Optical Detector Amplified Photodetector
Rof-PD- 10G 10GHz high-speed Photodetector optical detection module adopts high-performance 10GHz PIN detector, single mode/multi-mode fiber coupled input, SMA connector output, with high gain, high sensitivity, DC/AC coupled output, gain flat, etc. It is mainly used in high-speed optical fiber transmission system, ROF and optical fiber sensing system.
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ROF Silicon Photodetector 2.5GHz High bandwidth fixed gain Balanced Photodetector
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.
The high-gain balanced detection module optimized for the third-generation OCT (SS-OCT) system features high gain and low noise. It achieves a high common-mode rejection ratio and high output voltage amplitude through wavelength optimization. This detector has a bandwidth of up to 2.5GHz and is optimized for wavelengths of 1064nm and 1310nm.
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ROF InGaAs Photondetector free-running single-photon detector
This product is a compact near infrared free running single photon detector.The core device adopts InGaAs/lnP with domestic independent intellectual property rights.Compared with similar products, APD has advanced technical indicators, reliability and integration, and can be used for asynchronous low light detection such as liDAR and fluorescence lifetime detection.Applications provide cost-effective solutions.
This product uses a negative feedback APD to achieve fast avalanche quenching and low electronic noise, high detection efficiency and low dark count by optimizing the electronics and thermal design. Among them, the maximum detector efficiency of 1550nm single photon is > 35%; At this time, the time jitter can be as low as 80ps; Detector efficiency.At 15%, the minimum dark count is 500 CPS, and the minimum post pulse is 1%@ dead time 5 um; Saturation counting rate up to 4MCps@ dead time 250ns.In addition, for specific application scenarios, support bias, screening threshold, dead time and other parameters of the user configuration function to strengthen the detection efficiency, saturation count rate and other specific indicators; Support time digital conversion (TDC) function can be determined.To obtain time counting data, support free running or external trigger gating .Two operating modes are available. -
ROF High Sensitivity APD Photodetector Light Detection Module avalanche photodetector
The high sensitivity avalanche photodetector is mainly composed of ROF-APR series APD Photodetector (APD photoelectric detection module) and HSP low speed high sensitivity photodetector module, which has high sensitivity and wide spectral response range and can provide different sizes of packages according to customer requirements.
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Rof 200M Photodetector Avalanche Photodiode Detector Avalanche Photodetector
The high sensitivity Photodetector is mainly composed of ROF-APR series APD Photodetector (APD photoelectric detection module) and HSP low speed high sensitivity module, which has high sensitivity and wide spectral response range and can provide different sizes of packages according to customer requirements.
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ROF Optical Detector Avalanche Photodetector Module APD Photodetector
The high sensitivity avalanche photodetector is mainly composed of ROF-APR series APD Photodetector (APD photoelectric detection module) and HSP low speed high sensitivity module, which has high sensitivity and wide spectral response range and can provide different sizes of packages according to customer requirements.
