Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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The FPS-1 is a fast optical detector for visualizing and measuring the temporal characteristics of laser beams in the spectral range from 193 nm to 1100 nm. It has a UV enhanced silicon PIN photodiode and is designed to convert optical signals into electrical signals which are then measured with third party measurement instrumentation such as oscilloscopes or spectrum analyzers for measurement. The FPS-1 has a rise time of 1.5 nsec. Its reverse bias voltage is provided either by internal batteries or by an external DC power supply (included).
FPS-1 Drawing
| Detector Type | UV-Si |
| Rise Time/Fall Time | 1.5 nsec |
| Spectral Range | 193-1100 nm |
| Active Area Diameter | 1.02 mm |
| Noise Equivalent Power | 0.05 pW/√Hz |
| Dimensions | 49 L x 61 W x 27 D (mm) |
| Detector Area | 0.8 mm2 |
| Wavelength of Peak Sensitivity | 720 nm |
| Responsivity at Peak Wavelength | 0.45 A/W |
| Responsivity (Irradiance) at Peak Wavelength | 0.18 V/(W/cm2) |
| Bias Voltage | 12 VDC |
| Bias Voltage Source | External or Batteries |
| Bandwidth | 233 MHz |
| Dark Current | 0.3nA typ, 1.0nA max |
| Maximum Average Power Input | 3 mW |
| Mounting (Tapped Holes) | 1/4-20 |
| Output Connector | BNC |
| Accessory Threads | SM-1 |
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