| 摘要 |
Manufacturing rod lenses with an enveloping diameter of the rod lens end face of 200 mm and an edge length of 800 mm by manufacturing a cylindrical body made of a synthetic quartz glass material in the form of a fused silica ingot, comprises a step of flame hydrolysis comprising carrying out a direct single-step deposition of silicon dioxide particles (I) made of a flame current on a rotating stamp sliding at the flame current. Manufacturing rod lenses with an enveloping diameter of the rod lens end face of 200 mm and an edge length of 800 mm by manufacturing a cylindrical body made of a synthetic quartz glass material in the form of a fused silica ingot, comprises a step of flame hydrolysis comprising carrying out a direct single-step deposition of silicon dioxide particles of formula (SiO x) (I) made of a flame current on a rotating stamp sliding to the flame current. x : not defined. An independent claim is also included for an apparatus for producing a rod lens main body in cylindrical shape, comprising: a muffle furnace with a multi-layered tubular- or tunnel-shaped muffle (1); a burner (2) with a feed line (3) for silicon-containing reactant, guided into a first side in the muffle; and a stamp (4) sliding opposite side to the burner on a second side of the muffle. The muffle comprises muffle geometry with a distance between the lateral surface of the forming base body (5) and an inner wall of the muffle of 40-75 mm, and a distance between the muffle and the melting surface of the base body of 10-25 mm. The muffle exhibits an exhaust-controlled furnace temperature of 1100-1300[deg] C. |
