Custom Optical Glass Pinhole

Optical Slits on Glass

Optical Slits are widely used for entrance and exit slits in optical instruments and systems, including spectrophotometers, line spread functions, masking and in a wide range of imaging and alignment applications. We also manufacture various metal slits and pinholes, including mounted and unmounted.

Walthy optical slits are photo-etched on a chromium-coated optical glass substrate.

Slits of widths: 5-1000 μm extend across the whole substrate

Substrate Diameter: 25.4 mm (1.0 inch)

Thickness: 1.5mm

Slit width Tolerance: ±5% 

Optical density: >3

We can accept customization, from prototype to mass production.  If you have different requirements or designs, please feel free to contact us for more details.