Request InfoNKT Photonics A/SSuperK Varia, manufactured by NKT Photonics A/S, is a computer-controlled variable-bandwidth filter that turns a supercontinuum white-light source into a powerful single-line laser. Designed for use with the company's SuperK supercontinuum white-light sources, it is a cost-effective and flexible alternative to a monochromator. The system offers a tunable center wavelength in the 400- to 850-nm range and a variable bandwidth between 4 and 100 nm. In contrast to acousto-optic tunable filter technology, it suffers no polarization loss and delivers high-power throughput. 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