Steep cutoff (laser wavelength <0.2%) - high blocking performance - high transmittance.
The Nanoedge long pass filter is a high-performance hard coat filter that features a steep edge transition (less than 0.2% of the laser wavelength) at a specific wavelength, allowing it to transmit longer wavelengths while reflecting shorter wavelengths, thus enabling spectral separation. In particular, in Raman spectroscopy, it is necessary to separate Rayleigh scattered light (laser wavelength) from weak Raman scattered light, and the steep edge transition and high blocking performance make it easy to measure Raman spectra.
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basic information
■ Steep cutoff (laser wavelength <0.2%): Detectable near Rayleigh light (excitation laser wavelength) compared to notch filters ■ High blocking performance (OD > 6 (typical)) ■ High transmittance (average transmittance 90% (typical)): Can detect weak Raman scattered light ■ Incident angle 0° ■ Effective aperture 8 mm (Φ 12.5 mm filter), 21 mm (Φ 25 mm filter) ■ Long lifespan and high durability
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Applications/Examples of results
■ Raman spectroscopy ■ Laser excitation ■ Fluorescence measurement ■ Biophotonics ■ Microscope
Line up（5）
| Model number | overview |
|---|---|
| 488 NanoEdge | Laser wavelength 488nm, 1.0nm (at 6 OD ~ 50% transmission), Φ12.5nm size |
| 514.5 NanoEdge | Laser wavelength 514.5nm, 1.0nm (at 6 OD ~ 50% transmission), Φ12.5nm size |
| 532 NanoEdge | Laser wavelength 532nm, 1.1nm (at 6 OD ~ 50% transmission), Φ12.5nm size |
| 633 NanoEdge | Laser wavelength 633nm, 1.3nm (at 6 OD ~ 50% transmission), Φ12.5nm size |
| 785 NanoEdge | Laser wavelength 785nm, 1.6nm (at 6 OD ~ 50% transmission), Φ12.5nm size |
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We are a group of experts specializing in spectroscopy, focusing on cutting-edge equipment such as light sources, spectrometers, detectors, our unique laser measurement systems, analytical devices, and femtosecond laser processing.
