US 6,982,839 B2
Optical transmitter and receiver arrangement
Werner Schuler, Gutach-Bleibach (Germany)
Assigned to Sick AG, Waldkirch/Breisgau (Germany)
Filed on Feb. 13, 2004, as Appl. No. 10/779,566.
Claims priority of application No. 103 08 285 (DE), filed on Feb. 26, 2003.
Prior Publication US 2004/0207933 A1, Oct. 21, 2004
Int. Cl. G02B 9/00 (2006.01)
U.S. Cl. 359—738 41 Claims
OG exemplary drawing
 
1. An optical arrangement comprising a plurality of transmitter elements and/or receiver elements, a plurality of diffractive and/or refractive optical elements and an optical system carrier for the diffractive and/or refractive optical elements wherein the optical system carrier has diaphragm apertures in whose region the diffractive and/or refractive optical elements are connected to the optical system carrier by means of an injection molding process or of a casting process; and wherein the diffractive and/or refractive optical elements each have at least one undercut into which the rim of the diaphragm aperture engages.