OTTAWA, Ontario, Canada, March 18, 2013 — To complete its line of standard filters for Raman spectroscopy, Iridian is offering dichroic mirrors with high reflectance (>95%) at the laser line and high transmittance (>95%) of the Raman signal.
Because the scattered light in Raman spectroscopy is significantly weaker than the excitation light, high signal-to-noise optical filtering is critical. Typical Raman systems require laser-cleanup and edge-pass filters, and dichroic mirrors; these filter types are now offered for common Raman excitation wavelengths to enable the user to see more signal with less background.
Iridian, which has been producing Raman dichroic mirrors for OEMs for years, is now providing these filters as standard products. The company has dichroic mirrors for fluorescence, flow cytometry and custom applications.
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