Description
Product Description
AC-Coupled High-Gain Photodetector for Fast Optical Signal Detection
Designed for high-sensitivity optical signal measurement and experimental photonics applications, this AC-coupled photodetector combines low-noise performance, high adjustable gain, and bandwidth up to 20 MHz.
The detector supports interchangeable photodiodes for different wavelength ranges, including Si for 400–1100 nm and InGaAs for 800–1700 nm, allowing the same platform to be adapted to different optical detection requirements.
With gain exceeding 60 dB, the detector is suitable for detecting and amplifying relatively weak modulated or pulsed optical signals. A high-quality power adapter is included, with customizable ±12V power configurations available for specific experimental setups.
Key Features
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AC-Coupled Detection – Designed for detecting time-varying, modulated, and pulsed optical signals while suppressing DC components.
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High Gain – Gain can exceed 60 dB, providing strong amplification for weak optical signals.
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Up to 20 MHz Bandwidth – Suitable for fast optical signal and pulse detection.
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Low-Noise Design – Helps maintain signal quality during sensitive optical measurements.
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Replaceable Photodiode – Detector configuration can be changed according to the required wavelength range.
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Two Main Wavelength Options
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Si: 400–1100 nm
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InGaAs: 800–1700 nm
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Custom Power Options – ±12V power configuration can be customized for specific applications.
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Quality Power Adapter Included – Ready for convenient laboratory use.
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Versatile Experimental Platform – Suitable for research, optical experiments, DIY projects, and custom photonics development.
Detector Options
| Photodiode |
Wavelength Range |
Typical Use |
| Si |
400–1100 nm |
Visible & near-infrared detection |
| InGaAs |
800–1700 nm |
Near-infrared & optical communication applications |
Applications
- 🔬 Optical signal detection
- 🔴 Laser signal measurement
- 📡 Optical communication experiments
- ⚡ Fast optical pulse detection
- 📈 Modulated light measurement
- 🧪 Photonics research
- 🔧 DIY optical experiments
- 🛠️ Custom optical system development
High Gain. Wide Bandwidth. Flexible Detection.
With 60+ dB gain, up to 20 MHz bandwidth, low-noise operation, and replaceable photodiodes, this AC-coupled photodetector provides a flexible platform for building and testing custom optical measurement systems.
Note: Actual bandwidth, gain, noise performance, responsivity, and maximum input optical power depend on the selected photodiode and circuit configuration. Please verify the specific configuration and electrical requirements before ordering.
