Optical Engineering Support

We review material, coating, tolerance and application requirements before production.

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Material Selection

Choosing the right optical material is critical to performance. We help you evaluate materials based on your wavelength range, operating environment, thermal requirements, mechanical constraints and budget.

Material Families We Work With:

  • BK7 / B270 — Visible/NIR general purpose, cost-effective
  • UV Fused Silica — UV to NIR, high laser damage threshold
  • CaF2 — Deep UV to mid-IR, low dispersion
  • Sapphire — UV to mid-IR, extreme hardness (9H)
  • ZnSe — Visible to far-IR, CO2 laser standard
  • Germanium (Ge) — Mid-IR to LWIR, high refractive index
  • Silicon (Si) — NIR to MWIR, excellent thermal conductivity

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Optical Coatings

Optical coatings determine how light interacts with your component surfaces. We provide guidance on selecting the right coating type for your wavelength, angle of incidence, power level and environmental conditions.

Anti-Reflection (AR)

Single-layer and multi-layer AR coatings for specific wavelength ranges. Residual reflectivity below 0.1% at design wavelength.

High-Reflectance (HR)

Dielectric HR mirrors with reflectivity above 99.9% at design wavelength. Custom designs for laser cavities and beam steering.

Dichroic Filters

Precision wavelength-selective coatings for fluorescence, multi-spectral imaging and wavelength division applications.

Metallic Coatings

Protected Silver, Protected Gold, Enhanced Aluminum — broadband reflection from UV to far-IR with environmental protection.

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Tolerance & DFM Review

"Tight tolerances are not always necessary. We review drawings to identify tolerances that matter and tolerances that may be unnecessarily expensive."

When you submit a drawing or specification, our engineering team reviews:

  • Are the tolerances achievable with standard manufacturing processes?
  • Can tighter tolerances be relaxed without affecting system performance?
  • Is the material compatible with the required coatings?
  • Are there edge thickness, chamfer, or mounting considerations?
  • Is the surface quality specification appropriate for the application?
  • Can design modifications reduce cost without sacrificing performance?

DFM review is included at no charge with every custom quote.

Optical Testing

We coordinate inspection and testing to verify components meet agreed specifications. Testing capabilities include:

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Dimensional

Diameter, thickness, center thickness, dimensional tolerances

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Surface Quality

Scratch-dig per MIL-PRF-13830B, surface defect inspection

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Flatness / Wavefront

Interferometric flatness measurement, wavefront error analysis

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Coating Verification

Spectrophotometry, reflectance/transmittance measurement, LIDT testing

Manufacturing Route

"Different projects require different manufacturing capabilities. We select suitable manufacturing resources according to the project."

We coordinate with a network of qualified manufacturing partners to match each project with the most appropriate production capabilities. This means:

  • Selecting the right production process for your geometry, material and tolerance requirements
  • Matching coating requirements with qualified coating specialists
  • Optimizing production volume — from single prototypes to volume runs
  • Coordinating multi-process projects (grinding, polishing, coating, assembly)
  • Managing lead times across the manufacturing chain

Timeline estimates vary by material, geometry, tolerance and order quantity. Final schedules confirmed per project.

Inspection Requirements

We coordinate inspection activities according to agreed specifications. Every component is verified against the requirements before shipment.

Inspection to Specification

We inspect against the parameters defined in your drawing or specification document.

Inspection Reports

Detailed inspection reports with measurement data are provided with each shipment.

Sample Inspection

For production orders, we can arrange AQL sampling or 100% inspection per your requirements.

Packaging & Handling

Optical components require careful handling to maintain surface quality and coating integrity during transit.

  • Clean room handling and packaging to minimize particulate contamination
  • Individual protective wrapping for each component
  • Appropriate packaging materials for fragile optics (foam, dividers, rigid containers)
  • Moisture protection with desiccant for hygroscopic materials (CaF2, ZnSe)
  • Clear labeling with part number, specification reference and handling instructions

Optical Design Support

When your project requires optical design input, we can help evaluate system requirements, suggest configurations and review designs for manufacturability.

  • System-level requirement review and feasibility assessment
  • Material and coating recommendation based on wavelength and application
  • Tolerance analysis and DFM feedback to optimize cost and performance
  • Optical layout review for multi-element assemblies
  • Mechanical interface coordination (mounting, housing, alignment features)

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Application Notes

Technical examples and application references from our engineering team. These notes illustrate how optical components are selected and specified for real applications.

UV Laser Window Selection

Material grade, coating optimization and surface quality considerations for 355nm laser systems.

Imaging Lens for Medical Devices

Multi-element design considerations, centration tolerances and batch consistency requirements.

DUV Optics for Semiconductor

Fused silica and CaF2 selection, flatness requirements, cleanroom handling and contamination control.

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Have a Technical Question?

Talk to our engineering team. We can help you evaluate material, coating and manufacturing options for your optical requirements.

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