Lunt Optics Resource Center
Technical Insights. Trusted Data. Field-Proven Performance.
Welcome to the Lunt Optics Resource Center—your hub for precision optics documentation, engineering insights, and product performance data. Whether you're selecting a custom Fabry–Pérot etalon, specifying a λ/40 optical flat, or evaluating ultra-flat coated mirrors for integration, this library is built to support your design decisions with verified information.

Whitepapers & Technical Briefs
Explore in-depth reports authored by our optical engineers.
Designing High-Finesse Etalons for Narrowband Laser Systems
Surface Flatness, Finesse, and Coating Optimization
Thermal Stability in Air-Spaced vs. Solid Etalons
Material Selection for Precision Optical Flats
Datasheets & Product Specs
Get dimensional tolerances, material options, surface flatness grades, and coating profiles.
Optical Flats
Etalon Assemblies
Coated Mirrors and Reflectors
Each datasheet includes typical specs and optional enhancements. Custom specs available upon request.
Application Notes & FAQs
Real-world guidance on integrating Lunt optics into high-performance systems.
How to Align a Fabry–Pérot Etalon
Choosing Between λ/20 and λ/40 Flats
Preserving Flatness During Mounting
Coating Durability & Testing Standards
Tools & Calculators
Use our Etalon Calculator to simulate FSR, bandwidth, finesse, and spectral output based on your custom parameters. Perfect for early-stage design and quote preparation.
Stay Ahead. Design with Confidence.
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Lunt Optics supports your work with certified data, proven performance, and unmatched precision.