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SuperChrome Filter
Jun 2011
Fianium UK Ltd. (now part of NKT Photonics)Request Info
SOUTHAMPTON, England, June 30, 2011 — Ultrafast fiber laser manufacturer Fianium Ltd. has released its SuperChrome filter, a high-power transmission filter accessory for use with its supercontinuum laser sources and fiber delivery systems.

The single-channel filter enables the user to select the wavelength and to tune the bandwidth with a switching time of <1 s. It operates over the entire visible spectrum from below 400 to greater than 750 nm, realizing the blue-enhanced region available from the company’s SC400 supercontinuum series.

It offers typical transmission of >80%, with maximum performance achieved using filter bandwidths ranging from 8 to more than 50 nm, which is useful for applications such as fluorescence imaging, spectroscopy and superresolution microscopy.

When the filter is coupled to the company’s brightest supercontinuum source, the SC450-8-VE, more than 100 mW of power, tunable across the visible range, is available in a 25-nm bandwidth. The unit provides high levels of out-of-band suppression, typically 40 dB, meaning that no additional filters are required for challenging fluorescence lifetime and imaging measurements.

The filter enhances the flexibility of the supercontinuum laser output, offering a tunable laser source at any user-defined wavelength. It has no measurable impact on the laser beam quality, with the filtered free-space collimated output having an M2 value of better than 1.2 at all wavelengths. The unit is plug-and-play, requires no user alignment and has an easy-to-use graphical user interface for operation.


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