InGaAs APD Quadrant Photodetector
The InGaAs APD quadrant photodetector chip is a high-performance near-infrared photoelectric position
Specification Snapshot
Pixel Photosensitive Area Size
Typ 1000μm
Pixel Gap
Typ 100μm
Responsivity - Test Condition: λ=1.55μm, M=1
Min 0.9A/W
Response Time - Test Condition: f=1MHz,RL=50Ω
Typ 1.5ns; Max 3ns
Dark Current - Test Condition: M=10
Typ 25nA; Max 100nA
Crosstalk
Typ 10%
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Overview
The InGaAs APD quadrant photodetector chip is a high-performance near-infrared photoelectric position detector with a 0.9μm to 1.7μm spectral response range. It provides high detection sensitivity, high spatial resolution and fast response for alignment detection, precision displacement measurement, vibration detection, angle measurement and guidance applications. The detector uses a TO39 package.
Specifications
| Parameter | Value |
|---|---|
| Pixel Photosensitive Area Size | Typ 1000μm |
| Pixel Gap | Typ 100μm |
| Breakdown Voltage - Test Condition: ID=100μA, no illumination | 40~60V |
| Responsivity - Test Condition: λ=1.55μm, M=1 | Min 0.9A/W |
| Response Time - Test Condition: f=1MHz,RL=50Ω | Typ 1.5ns; Max 3ns |
| Dark Current - Test Condition: M=10 | Typ 25nA; Max 100nA |
| Crosstalk | Typ 10% |
| Capacitance - Test Condition: f=1MHz, M=10 | Typ 12pF; Max 15pF |
| Maximum Available Gain | Min 20 |
| Breakdown Voltage Temperature Coefficient - Test Condition: -40°C to +85°C | Typ 0.1V/℃; Max 0.15V/℃ |
Applications
1. eye-safe laser guidance, collimation and navigation 2. Free-space optical communications 3. Industrial control fields such as precision processing
Key Features
1. Front-illuminated planar structure 2. Small quadrant spacing and low crosstalk 3. Low dark current 4. High reliability
Datasheet
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Supplier Information
Wuhan Optics Valley Quantum Technology Co., Ltd. is a subsidiary of Xiandao Technology Group Co., Ltd. It is a technology-based enterprise focusing on high-end laser and detector chip products, integrating R&D, manufacturing and sales. Its business covers laser detection, high-speed optical communication, quantum secure communication and other fields. The company owns 35 independent intellectual property patents, and its expert team includes a winner of the Lifetime Achievement Medal of the European Academy of Sciences, selected candidates of national and provincial key talent programs, selected candidates of Wuhan "Huanghe Yingcai" talent program, and selected candidates of Wuhan East Lake New Technology Development Zone "3551" talent program.
The company has an advanced optical chip production line and chip packaging platform in Wuhan, with 3,000 square meters of class 1,000/100/10 clean workshops, equipped with more than 100 sets of advanced production and testing equipment; in addition, a 7,000 square meter new plant is under construction. The company has established a complete R&D, production and quality management system, obtained multiple patents, and its core technical team has rich experience in compound semiconductor technology development. Based on mature silicon-based, InP, and GaAs material system chip process platforms, it has successfully developed a number of products, committed to solving the bottleneck problem of long-term dependence on foreign imports for high-end chips, and providing downstream customers with high-quality full-series optical chip products and technical services.
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