Patent ID: 9069107
Filing Date: 2015-06-30
Classification: C03B,C03C,G02B

Abstract:
1. A method for producing a rod lens having a light guiding element and a lens element, comprising the steps of: providing a glass body made of a sealing glass having a sealing glass melting temperature (T providing a holder made of a material selected from the group consisting of holder glass, ceramic, glass ceramic, and metal, the material having a holder melting temperature (T combining the glass body of the sealing glass with the holder to ensure some mechanical support of the glass body by the holder, with at least a portion of the glass body projecting beyond the holder; melting the glass body at a temperature such that the portion of the glass body projecting beyond the holder is deformed into a cap having a spherical surface, while the holder remains dimensionally stable to produce the rod lens; and allowing the rod lens to cool down.