ULTRA Low-Stress Dichroic Filters
Source: Alluxa, Inc.

The ULTRA Series thin-film dichroic filters are reimagined to offer a lower-stress alternative with industry leading flatness performance.
The same Alluxa Ultra Series steep edges, high transmission, and superior reflection performance is available with improved intrinsic stress, resulting in fewer design constraints and optimal instrument performance. The new low-stress Sirrus™ coating process enables ultra-flat dichroics on substrates < 1.0 mm to complement an array of microscopy, medical, and space-based applications.