We offer a wide variety of reference lenses that are compatible with various companies' interferometers!
Tomei Giken provides high-precision reference lenses with λ/20 accuracy compatible with our laser interferometer "Akion" and various other laser interferometers, available in 4-inch (Φ100mm) and Φ60 measurement diameters. The radius of curvature ranges from approximately -4,000 (concave) to approximately +5,000 (convex), allowing for the evaluation of surface accuracy for a wide range of curvature radii and diameters of the lenses being measured. We also accommodate custom design and manufacturing. 【Features】 ■ Radius of curvature: Approximately -4,000 (concave) to approximately +5,000 (convex) ■ Measurement diameter: Up to approximately Φ200mm ■ Surface accuracy: λ/20 ■ Mount: Compatible with various laser interferometer mounts ■ Custom design and manufacturing available *For more details, please refer to the PDF document or feel free to contact us.
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【Lineup (Excerpt)】 ■4 inches (100mm) ・TS-CON-F0.77 ・TS-CON-F1.0 ・TS-CON-F1.3 ・TS-CON-F1.5 ・TS-CON-F1.8 ■60mm ・TS-CON-R400 ・TS-CON-R500 ・TS-CON-R700 ・TS-CON-R1000 ・TS-CON-R1200 *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Tōmei Giken Co., Ltd. manufactures and sells Akion laser interferometers, TS and TF lenses, as well as providing repair and maintenance services, ultra-precision flat and ultra-precision spherical polishing, and assembly. We are equipped with facilities such as clean booths, laboratories, and PM-96 type precision flat polishing machines. Please feel free to contact us if you have any inquiries.