Lunt Optics
Precision Optics for a Clear Future:
Your Trusted Optical Partner
Harness the power of high-finesse etalons, optical flats, and custom optics to meet the demands of industry, defense, government, and research.
Why choose Lunt Optics?
Our advanced optical solutions empower innovation across demanding sectors.
High-Finesse Etalons
Ultra-narrowband Fabry–Pérot etalons for precise filtering and frequency control in lasers, spectroscopy, and LiDAR applications.
Ultra-Flat Optical Flats
Polished to λ/20 or better, our flats serve as reference standards for metrology and high-resolution imaging systems.
Custom Optics Design
Tailored solutions for unique specifications, from large-aperture flats to bespoke etalons for research and space applications.
Advanced Fabrication
Continuous pitch polishing ensures laser-quality surfaces with minimal roughness and exceptional flatness.
MIL-Spec Compliance
Ruggedized optics manufactured under strict quality controls to meet defense and aerospace standards.
Comprehensive Metrology
Every optic is delivered with interferometric data, ensuring performance meets the highest precision standards.
Industries We Serve
Built for Precision. Trusted Across Sectors.
Lunt Optics provides ultra-precision optical components to the sectors where performance, reliability, and certification matter most. From aerospace and defense to national labs and cutting-edge research, our Fabry–Pérot etalons, λ/40 optical flats, and custom coated optics are engineered to meet the specific demands of each field—on the ground, in the lab, and in orbit. Whether you’re calibrating laser systems, developing atmospheric sensors, or conducting fundamental physics experiments, we deliver precision optical components tailored to your mission.
Aerospace & Defense
Mission-critical systems require optics that perform flawlessly under extreme conditions. Lunt Optics supplies ruggedized etalons, high-reflectivity mirrors, and ultra-flat reference surfaces to aerospace and defense contractors worldwide. We understand defense project requirements—from MIL-spec tolerances and ITAR-restricted workflows to documentation for classified and space-qualified systems. Our optics are manufactured and certified in the USA, with full traceability and quality control.
Explore Defense Applications →Targeting and laser rangefinding optics
High-reflectivity mirrors and etalons for precise beam control in laser rangefinders and designators, ensuring accuracy and long-range performance.
ISR and high-altitude imaging systems
Ultra-flat optics and custom coatings for gimbal-stabilized cameras, delivering clear, distortion-free imagery for surveillance and reconnaissance.
Fabry–Pérot filters for LIDAR and Doppler wind sensors
High-finesse etalons for narrowband filtering, enhancing signal clarity in LIDAR and Doppler systems for aerospace applications.
Ultra-flat optics for satellite calibration platforms
λ/40 flats for space-based calibration, designed to withstand extreme conditions while maintaining precision.
Scientific Research & Academia
We work with physicists, engineers, and research labs to provide bespoke optical components that power discovery. Our high-finesse etalons and certified flats are used in university labs and government-funded research projects around the world. From small prototypes to specialized instruments, we help researchers push the boundaries of what’s measurable—providing full test data, technical support, and design flexibility from quote to experiment.
Explore Research Applications →Laser frequency stabilization and cavity locking
High-finesse etalons for precise laser wavelength control, critical for advanced physics experiments.
Atomic and molecular spectroscopy
Ultra-narrowband filters enabling high-resolution spectral analysis in research labs.
Interferometry and optics calibration
λ/100 optical flats for interferometric setups, ensuring accurate measurements in fundamental physics.
Optical testbeds for adaptive and quantum systems
Custom optics for cutting-edge research, supporting development of next-generation optical technologies.
Government & National Labs
National metrology institutes, climate monitoring satellites, and federal observatories rely on our optics to uphold precision standards in calibration and sensing. Whether it’s a 4" λ/100 flat for a primary standard or a matched etalon set for airborne instruments, our components are designed and certified to exceed program requirements. We support the documentation, testing protocols, and procurement processes required by public-sector partners—and we’re proud to manufacture components that serve science, security, and innovation.
Explore Government Projects →Reference optics for interferometric calibration benches
λ/100 flats as primary standards for national metrology institutes, ensuring traceability and precision.
Fabry–Pérot etalons for satellite-based aerosol and wind detection
High-finesse filters for climate monitoring and atmospheric sensing in government satellite missions.
Optical filters for solar and atmospheric imaging payloads
Custom etalons for observatories, enabling high-contrast imaging of solar and atmospheric phenomena.
Custom coated optics for aerospace and DOE labs
Tailored optics for specialized government applications, meeting stringent performance and compliance standards.
Industrial & Photonics OEMs
Lunt Optics supports commercial optical system manufacturers with high-performance components that integrate seamlessly into LIDAR, laser processing, metrology, and imaging devices. Our custom optical flats and coated reference mirrors help OEMs meet specs, scale production, and deliver consistent optical quality to their end users. Whether you're building 5 or 500 units, our team works with yours to meet your delivery timelines and component specifications without sacrificing optical performance.
Explore Commercial Solutions →Optical flats for industrial metrology and quality assurance
Ultra-flat reference surfaces for calibration and alignment in manufacturing and inspection systems.
Dielectric-coated mirrors for laser beam delivery systems
High-reflectivity mirrors for precise beam steering in industrial laser applications.
Narrowband filters for process control instrumentation
Fabry–Pérot etalons for precise wavelength control in industrial spectroscopy and sensing.
AR- or partially coated flats for optical alignment and imaging
Custom-coated optics for high-performance imaging and alignment in OEM optical systems.
Cross-Sector Capabilities. Unified by Precision.
While every industry has unique performance, compliance, and environmental requirements, they all demand one thing: optics that meet specification—with data to prove it. That’s what we deliver—every time.
Frequently Asked Questions
What types of optical components does Lunt Optics provide?
Lunt Optics specializes in high-finesse Fabry–Pérot etalons, ultra-flat optical flats, coated flats, and custom optics tailored to meet the needs of industry, defense, government, and research applications.
Are Lunt Optics components suitable for space applications?
Yes, our optics, including large-aperture flats and etalons, are designed to withstand the harsh conditions of space, such as temperature swings and radiation, making them ideal for defense satellites and Earth-observing missions.
How does Lunt ensure the precision of its optical components?
We use advanced fabrication techniques like continuous pitch polishing and provide full metrology data, including interferograms, to verify surface flatness (e.g., λ/120) and quality for every optic.
Can Lunt Optics provide custom solutions for research projects?
Absolutely, we collaborate closely with researchers to design and fabricate bespoke optics, such as custom etalons or oversized flats, tailored to unique experimental requirements.