Longpass Filters (Edge Filters)

Steep transition slope
High rejection, out-of-band blocking to OD4
High transmission pass band to >90%

Features
Optimized for special applications
Custom shapes and sizes
Thin film and hard-coated
Far superior to absorptive colored glass filters
Unsurpassed performance and reliability
In-house OEM and custom manufacturing solutions

Applications
Medical, analysis, astronomy … etc.
Longpass filters are widely used in variety applications and markets, and can be used with shortpass filters for custom bandpass filtering, please contact us to get the best solution for your needs.

MicoSpectra specializes in the design and manufacture custom optics, thin film coatings and optical assemblies for prototype, research and OEM applications.

Optical material Borofloat, N-BK7, UV Fused Silica, Sapphire, Custom
Size Diameter or rectangular from 4mm to 80mm
Cut-on wavelength 340nm-1570nm
Typical:
400nm
430nm
480nm
530nm
560nm
580nm
640nm
690nm
Cut-on wavelength tolerance <±5nm
Transmission >90%
Blocking OD4, from UV to cut-on λ