Optical Slit Manufacturer | Precision & Custom Optical Slit

Trusted OEM Optical Slit Manufacturer for High-Performance Systems

As a professional OEM optical slit manufacturer, we design and produce precision optical slits and custom air slits for integration into advanced optical instruments.

Our products are widely used in spectrometers, monochromators, hyperspectral imaging systems, laser modules, medical optical devices, and analytical equipment. We support OEM manufacturers with high-precision components, stable production capacity, and engineering collaboration from prototype to volume manufacturing.

Custom Optical Slits for Spectrometers & Imaging Systems

We manufacture optical slits for spectrometers, entrance and exit slits, intermediate slits, and micro-aperture components with tight dimensional tolerances and excellent edge quality.

Whether you require:

  • Ultra-narrow slit widths (starting from 5 μm)

  • Custom slit geometries

  • Slits on metal foil or optical glass

  • Integrated mounting solutions

We provide complete OEM customization support.

Technical Capabilities

Slit Width

5 μm – 1000 μm (Custom micro slit fabrication available)

Materials

  • Stainless steel

  • Copper

  • Molybdenum

  • Gold

  • Chromium-coated optical glass

Thickness Options

  • 0.05 mm

  • 0.1 mm

  • Custom thickness available

Surface Treatment

  • Blackened surface to minimize stray light

  • Precision edge finishing

Micro Slit Fabrication & Custom Apertures

As an experienced precision optical slit supplier, we offer advanced micro-fabrication services including:

  • Multi-slit arrays

  • Arc and curved slits

  • Annular (ring) apertures

  • Custom geometric micro-patterns

  • Precision pinholes and pinhole arrays

  • Optical slits fabricated on glass substrates using photolithography

Send us your CAD files or technical drawings — our engineering team will evaluate tolerances and optimize the design for manufacturability.


Scalable OEM Manufacturing

We support:

  • Rapid prototyping

  • Pilot production

  • Full-scale OEM volume manufacturing

With strict quality control and stable process management, we ensure batch-to-batch consistency and reliable long-term supply.


Why Choose Us as Your OEM Optical Slit Supplier?

  • High dimensional accuracy

  • Consistent repeatability

  • Engineering-driven customization

  • Confidential OEM project handling

  • Competitive pricing at production scale

10um Slit
10um Slit under Microscope
Slit Array Custom
Custom Pattern
Custom Shape and Pattern