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APD module
C5658
High-speed type, Active area: Φ0.5 mm
The C5658 is a highly sensitive photodetector consisting of a Si APD (avalanche photodiode), a bias power supply and a low-noise amplifier, all integrated into a compact case. The APD used has an effective active area of φ0.5 mm to allow efficient coupling to a light beam in applications such as spatial light transmission. The APD internally multiplies the photocurrent to produce an ample gain (set to 100 times for C5658) and also features high-speed response, achieving detection limits up to 1 GHz wideband and -48 dBm (16 nWr.m.s.) noise level in combination with the low-noise amplifier. C5658 also incorporates a thermosensor and a temperature-compensated bias power supply necessary for stable operation of the APD. Highly sensitive optical measurements can be made just by supplying +12 V to C5658.
Features
-High-speed response and high sensitivity
-Flat frequency characteristics
-Compact and lightweight
-Single power supply operation
Specifications
| Type | High-speed type |
|---|---|
| Effective photosensitive area | φ0.5 mm |
| Temperature stability of gain (typ.) | ±5.0 % |
| Built-in sensor | S12023-05-03 |
| Photoelectric sensitivity (typ.) | 2.50 × 105 V/W |
| Cooling | Non-cooled |
| Low Band Cut-off Frequency (typ.) | 0.05 MHz |
| High Band Cut-off Frequency (typ.) | 1000 MHz |
| Supply voltage (typ.) | 12 V |
| Measurement condition | Photoelectric sensitivity: M=100, λ=800 nm, Temperature stability of gain: 25±10 ℃ |
Dimensional outline (unit: mm)
Related documents
Precautions
Catalogs / Technical notes
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