Optical edge filters

March 28, 2008
Semrock (Rochester, NY) has added a new value-based line of optical edge filters for Raman spectroscopy and fluorescence imaging.

Semrock (Rochester, NY) has added a new value-based line of optical edge filters for Raman spectroscopy and fluorescence imaging. The new EdgeBasic long-wave-pass filters are hard-coated optical filters that share all the high transmission (98% typical) and laser-line blocking (optical density > 6) performance of Semrock's ultrasteep RazorEdge filters, but with edge steepness that is tailored for cost-sensitive "application-specific" Raman systems that do not require measurement of the smallest possible Raman shifts, as well as for sensitive fluorescence imaging systems that demand maximum signal capture.

Like all of Semrock's thin-film optical filters, the new EdgeBasic filters are hard-coated using Semrock's ion-beam sputtering deposition process for permanent "no burn-out" optical durability and lasting reliability even in harsh environmental conditions, and are backed by an industry-leading five year warranty. These new filters also have extended blocking of light from the laser wavelength deep into the ultraviolet to enhance their suitability for fluorescence applications.

Semrock

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