Is absorption data available for the blocked bands of interference filters to assess thermal loading?

Interference (or dichroic) filters from Syron Optics are constructed using alternating microscopic layers of thin-film dielectric coatings. They utilize thin-film optical interference to selectively transmit target wavelengths while reflecting the unwanted ones. Because the optical energy in the blocked bands is reflected away rather than absorbed, these filters do not convert the blocked light into heat. Consequently, they do not experience the significant thermal loading or thermal degradation that typically affects traditional absorptive color glass filters.

While you can contact us to request raw transmission data directly for their catalog products, absorption data for thermal assessment is generally unnecessary and inapplicable for their interference filters, as the absorbed heat energy in the blocked bands is essentially negligible.