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| Code | 671634 | Type | Scanning Fabry–Perot Interferometer | |
| Operating Wavelength | 535–820nm | Free Spectral Range (FSR) | 1.5GHz | |
| Finesse | >200 | Resolution | <7.5MHz | |
| Single FSR Scan Voltage | <3.5V @ 633nm | Optical Cavity Length | 50mm | |
| Clear Aperture |
3mm |
Dimensions | Ø50.8mm × 85mm |
Free Spectral Range (FSR): 1.5 GHz Finesse: >200 Resolution: <7.5 MHz Low Scan Voltage
The LBTEK Scanning Fabry–Perot Interferometer (SFPI) offers four optical coating options covering the 350–2000 nm wavelength range. It provides a 1.5 GHz free spectral range and a minimum finesse of 200. The internal mirrors feature reflectivities above 99%, significantly enhancing the SFPI’s resolution and sensitivity, achieving performance far superior to conventional spectrometers.
The scanning range can be finely tuned, allowing flexible application in various high-resolution spectral analysis scenarios. The mechanical housing includes M4 threaded holes for direct post mounting, or it can be attached to 2-inch adjustable mounts as shown in the right figure.
A compatible driver module is available separately for optional purchase.
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