Custom OEM Monochromators

We design and manufacture OEM monochromators tailored to your mechanical, optical, electrical, and software requirements. Solutions range from drop-in replacements to compact or high-speed platforms, including closed-loop wavelength control and turnkey subsystems.

Drop-in replacements

  • Seamless mechanical and electrical integration into existing instruments.
  • Reduce single-supplier risk and mitigate product end-of-life.
  • Custom branding supported.

Monochromators for constrained spaces

  • Compact footprints in symmetric and cross Czerny-Turner, and vertically displaced Littrow geometries.
  • Optimised layouts for tight envelopes and defined cable/service access.

High-speed, high-resolution platforms

  • Rapid scans for throughput-critical test.
  • Fine spectral detail with appropriate focal length, grating sets, and slit configurations.

Optics and coupling

  • Custom optics, integrating spheres, and imaging components.
  • Wide choice of I/O: fixed slits, motorised slits, or fibre-coupled interfaces.
  • Proven coupling to laser-driven xenon and supercontinuum sources.
  • Optical performance and tolerance modelling in Zemax.
  • Bespoke optical component specification and manufacture management (lenses, mirrors).

Interfaces and protocols

  • Native USB, Ethernet, RS-232, RS-422, CAN.
  • Custom translation layers to match existing command protocols.

Real-time wavelength feedback

  • Absolute wavelength positional feedback up to 1000 Hz for precise closed-loop control and synchronisation.

Large-area optical systems

  • Gantry-based assemblies for scanning and measurement over large substrates or modules.

Full turnkey systems

  • Deep-UV (<200 nm) to far-IR (>20 µm) coverage using Bentham’s established components and software.
  • Delivered as complete, validated subsystems with documented interfaces.

Electronics and unattended operation

  • Bespoke control electronics for 24/7 automated use.
  • Support for safety interlocks, diagnostics, and remote monitoring.

Supply chain and programme control

  • Online configuration, ordering and real-time order tracking via Bentham’s OEM portal. 
  • Units held in stock for scheduled call-off where applicable.

Volumes and commercial model

  • One-off units leveraging proven designs to control cost.
  • Supported production to 10 units/month with stable lead-times.

Designed for environment

  • Clean-room compliant builds on request.
  • Enviro-box enclosures for protection in challenging environments.