Band-reject optical filter
633 - 1 700 nm
Photon etc.
For those seeking tunability, we offer our Tunable Top Notch Filter. Optimized for Resonant Raman Spectroscopy using Ti:Saph lasers, it can be customized to any specific wavelength range, typically 300 nm wide. The Tunable Top Notch Filter has a high throughput (up to 80%), with a selectivity similar to that of a triple spectrograph, but at a fraction of the price. Our Tunable Top Notch Filter is a compact, easy to align instrument with an intuitive user interface that allows easy and precise control of the blocked wavelength. This filter is perfectly matched to our Laser Line Tunable Filter for Raman applications. The Tunable Top Notch Filter's extremely narrow bandwidth rejection has a slightly larger bandwidth than our Laser Line Tunable Filter to attenuate the excitation light in Resonant Raman Spectroscopy. The same user interface is used to simultaneously control both instruments through a single USB port.
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