13 January 1993 Processing of optical microlens by a laser ion-exchange method
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Abstract
We have developed a method of producing micro-lenses on soda-lime glass plates by combining the techniques of laser annealing and an ion-exchange method, henceforth referred to as the `laser ion-exchange method.' The use of this technique makes it possible to simultaneously increase the refractive index on both sides of a glass plate at the laser beam irradiation zone. The increase in the refractive index on both sides complement each other to make a high quality micro-lens with a very short focal length. This method can be applied for producing circular, noncircular, linear, and array micro-lenses.
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Shigenori Matsui, Shigenori Matsui, Kaoru Suzuki, Kaoru Suzuki, Tetsuya Taniyama, Tetsuya Taniyama, Junji Nakata, Junji Nakata, Takaya Masutani, Takaya Masutani, "Processing of optical microlens by a laser ion-exchange method", Proc. SPIE 1751, Miniature and Micro-Optics: Fabrication and System Applications II, (13 January 1993); doi: 10.1117/12.138883; https://doi.org/10.1117/12.138883
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