Our World is Flat™ (585) 271-7300 COMPANY PRODUCTS ONLINE STORE CAPABILITIES RESOURCES CONTACT WITNESS SAMPLES WITNESS SAMPLES Custom witness samples available in standard 1″ or 2″ diameters as well as custom sizes. CUSTOM WITNESS SAMPLE FABRICATION Best practices suggest that when coating or setting up an optical component, it’s best to use a witness sample, also called a “test piece,” to ensure that the actual part will match your specific coating specifications and your application. Sydor Optics also offers witness samples for the measurement of coating stresses on substrates. The size and thickness of a witness sample will typically match your finished product. Test samples available before the commitment of a high-volume run AVAILABLE OPTICAL SUBSTRATES Based upon customer demand, Sydor Optics offers Witness Samples made from the following optical substrate materials. Of course, if you don’t see a material you need, please contact a Sales Engineer, who will gladly discuss additional options that may be available. Color Filter Glass Crystal Display Glass Fused Quartz Fused Silica IR Materials Optical Glass Coating Witness Sample Manufacturing Limits Specfications Measurements Diameter customer specified (typically 25mm – 50mm) Thickness customer specified (typically 1mm) Thickness Tolerance ± 0.1mm Cosmetics (MIL-PRF-13830B) 60-40 to 20-10 Surface Roughness ≥ 5 Ǻ rms Reflected Wavefront Error (RWE) - before coating ≥ 1/10 wave over clear aperture Transmitted Wavefront Error (TWE) - before coating ≥ 1/10 wave over clear aperture Clear Aperture ≤ 95% CONTACT US 31 Jetview Drive Rochester, NY 14624 Phone: (585) 271-7300 Hours of Operation: Monday – Friday 8:00am – 5:00pm CONTACT US CERTIFICATIONS & REGISTRATIONS American Owned & Operated ISO 9001:2015 Certified ITAR Registered Military & Defense Supplier DFARS / NIST 800-171 Compliant CMMC Level III Self Certified Thomas Verified Supplier FOLLOW US MEMBERSHIPS & AFFILIATIONS PRIVACY POLICY SITEMAP Developed by Thomas Marketing Services