AS9100 · ITAR · 193 nm – 10.6 µm · Made in USA
Optics engineered to exacting tolerance.
Laser-grade waveplates, mirrors, windows and lithography components — fabricated, coated and tested in the USA since 1978.
- Years in business
- 0
- Wavelength coverage
- 193 nm – 10.6 µm
- Quote turnaround
- 1 business day
- Standards
- ISO 9001 · AS9100 · ITAR
Aerospace optics
Where your optics fly, fire, and fabricate
Three fields. One standard of light.
Aerospace, defense, and semiconductor lithography — the places where an optic that’s “good enough” is not good enough.
Stock & ready
In-stock optics at published prices
No “contact us for pricing” on the items you need this week. Waveplates, beamsplitters and flats are priced, in stock, and AR-coated.
See the full catalog
Why Tower
Measured, certified, repeatable.
In-house, end to end
Design, fabrication, coating, assembly and test all happen under one roof in Boynton Beach, Florida. No black-box subcontracting for your critical parts.
Tested, not assumed
Phase-measuring interferometry, sub-micron laser metrology, spectrophotometry and retardation testing verify every optic. Custom work ships with its test data and certificate of compliance.
Certified for the serious work
ISO 9001:2015 certified, AS9100 compliant, ITAR registered (CAGE 1N2U3). Trusted by aerospace, defense, and semiconductor teams — and university labs.
Nearly 50 years of doing this
Founded in 1978 and under the same ownership since 1997. The people quoting your part have spent decades figuring out how not to get it wrong.
How it works
From drawing to delivered optic
Most custom quotes go out within one business day. Stock items ship in one to two. Here is the whole journey.
Start with your specs-
1
Submit your drawing
CAD drawing, spec sheet, or a photo with dimensions. Wavelength, material, quantity and target date make it faster.
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2
Receive a quote
Applications engineering reviews the part and responds with a quote — usually within one business day, with questions if anything is ambiguous.
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3
Fabrication & coating
Grinding, lapping, polishing to 2 Å RMS, then coating from 193 nm to 10.6 µm — thermal evaporation or ion-beam sputtering.
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4
Verification & delivery
Interferometry, spectrophotometry and polarization testing, then packaging with the interferograms and certificate of compliance inside.
Who it serves
Built for the fields where optics matter
- Aerospace & Defense Flight optics, remote sensing, IR systems
- Semiconductor & Lithography DUV windows, micro-lenses, beam splitters
- Telecom & Photonics WDM, SFP, fiber-coupled components
- Medical & Life Science Bandpass filters, imaging, spectroscopy
- Lasers & Optomechanics High-power retarders, combiners
- Universities & Labs Research instrumentation, metrology
Insights
Applications notes & technical guidance
Zero-Order vs. Multiple-Order Waveplates: How to Choose
Both change the polarization of light. Only one stays accurate when your lab warms up. Here is the difference in plain terms.
Read · 6 minWhy Air-Spaced Waveplates Win for Lasers
Cemented plates can delaminate. Contacted plates drift. Air spacing removes both failure modes — and improves alignment accuracy.
Read · 4 minAchromatic Waveplates: Polarization That Ignores Wavelength
Tunable laser or wide spectrum? A single material can't hold retardation across hundreds of nanometers. Two materials can.
Read · 5 min