Precision Optical Filters Manufacturer
OPTOStokes Optical Filter Manufacturing & Engineering Support
OPTOStokes supplies stocked and custom optical filters, including bandpass, longpass, shortpass, ND, dichroic, fluorescence, Raman, notch and IR filters.

OPTOStokes: Precision Optical Filters and Custom Coating Solutions
OPTOStokes supplies stocked and custom optical filters for engineers, instrument manufacturers, research laboratories, and OEM optical systems. We support applications across the UV, visible, NIR, SWIR, MWIR, and LWIR ranges, with filter designs matched to real system requirements—not just catalog specifications.
Our product range includes bandpass filters, longpass filters, shortpass filters, neutral density filters, dichroic mirrors, fluorescence filter sets, Raman filters, notch filters, infrared filters, optical windows, mirrors, lenses, and prisms.
For custom projects, OPTOStokes supports wavelength selection, substrate review, coating design, precision cutting, spectral measurement, and application-driven verification. Key capabilities include high-blocking filters, narrow bandwidth filters, multi-bandpass filters, gradient filters, steep-edge filters, fluorescence imaging filters, Raman edge filters, and IR custom filters.
Whether you need stocked filters for fast evaluation or custom-coated components for OEM production, OPTOStokes provides a practical path from prototype review to repeatable supply.
Send your CWL, FWHM, blocking requirement, substrate, size, quantity, and application details to sales@optofilters.com for technical review.
Optical Filter Manufacturing, Coating & Inspection
Our production workflow combines substrate preparation, thin-film coating, spectral verification, dimensional control, and final appearance inspection to support optical filter programs from prototype evaluation to stable volume supply.