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Do you have OKP plastics that Osaka Gas introduced with 1.64 refractive index?  




Fiber Optic Center supplies OKP plastics that are high purity, polyester polymers with refractive indices ranging from 1.61 to 1.65.  These materials are always improving.  Osaka Gas did introduced a 1.64 refractive index material with extremely low birefringence.   Birefringence in polymers is predominately the result of molding process.

READ THE FULL BLOG ARTICLE HERE:  From Cracker Jack’s Magnifying Glass to Smart Phone



Category Resource: FOC Optical Plastics Page 

Direct questions about OKP can be sent to Kelly Barker at



  Answered by AskFOC Technical Team April 26, 2018




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