1863 Commercial St.

Escondido, CA 92029

PHONE:  760-489-7774

FAX:  760-489-7747                                   



LohnStar Optics, Inc. provides custom IR thin film coatings for medical, research, industrial, military and national space defense applications.  Coatings are designed using the latest computer software, with state-of-the-art optimization techniques.  Our specialties are in low absorbing, high damage threshold coatings for CO2, Er:YAG and high-power chemical lasers, at wavelengths from 2-16 microns, and sputtered thin-film filters from 250nm out to 50+ microns, including diamond-like carbon.  We also provide finished optics in partnership with our fabrication and polishing associates.  Our vacuum systems can accommodate optics up to 38", in small and OEM quantities.

 A partial list of our products includes:

o       Beam Combiners

o       Beamsplitters

o       Broadband Filters

o       CO2 Laser Optics

o       Lenses

o       Mirrors  

o       Optical Parametric Oscillators

o       Output Couplers

o       Partial Reflectors

o       Phase Controllers

o       Polarizers

o       QCL Coatings, all varieties

o       Very Low Loss Mirrors   (<30ppm)

o       Windows


Typical coatings:


o       Antireflection

o       Beamsplitter

o       Broadband AR

o       Diamond-like Carbon

o       Dielectric Reflector

o       Dual Band AR

o       Metallic and Enhanced Metallic

o       Ninety Degree Phase Mirror @ 10.6 microns

o       Polarizing Beamsplitter

o       Zero Phase Mirror @ 10.6 microns

o       ***Non-radioactive Ge FLIR coating per Mil-Spec 48616--Superior Transmission 



Amtir, Aluminum, Beryllium, Calcium Fluoride, Copper, Fused Silica, Gallium Arsenide, Germanium, Glass, Infrasil, Indium Phosphide, Molybdenum, Nd:YAG, Sapphire, Silicon, Zerodur, Zinc Sulfide, Zinc Selenide.


All spectral requirements are verified using our a combination of state of the art spectrophotometers.  We also perform Mil-Spec environmental testing and vacuum calorimetry as required.


LohnStar Optics is committed to meeting your design objectives to produce exactly what you need, exactly when you need it--at a cost well below our competition.


Contact us today for a detailed discussion of your design requirements--we respond promptly to all inquiries.



1863 Commercial St.

Escondido, CA 92029

PHONE:  760-489-7774 

   FAX:   760-489-7747