Light beam orienting apparatus

• US 3,375,052 A
• Filed: 06/05/1963
• Issued: 03/26/1968
• Est. Priority Date: 06/05/1963
• Status: Expired due to Term

• Current Assignee: Kurt M. Kosanke, Werner W. Kulcke
• Original Assignee: Kurt M. Kosanke, Werner W. Kulcke
• Inventors: Kosanke, Kurt M., Kulcke, Werner W.
• Application Number:
  US04/285,833
• Time in Patent Office: 1,756 Days
• US Class Current: 359/279
• CPC Class Codes: G02F 1/29 for the control of the position or the direction of light beams, i.e. deflection

Claims

1. IN OPTICALLY ALIGNED COMBINATION, MEANS FOR ACCEPTING A BEAM OF PLANE POLARIZED LIGHT, MEANS COUPLED TO SAID ACCEPTING MEANS FOR APPLYING A FORCE THEREACROSS SO THAT SAID ACCEPTING MEANS PROVIDES A LIGHT BEAM WITH A POLARIZATION TYPE DEPENDENT ON THE AMOUNT OF FORCE APPLIED ACROSS IT, MEANS FOR RESTORING THE LIGHT BEAM TO A PLANE POLARIZED BEAM WITH AN ANGLE OF POLARIZATION DEPENDENT ON THE POLARIZATION TYPE OF THE LIGHT BEAM OUTPUT EMITTED BY THE ACCEPTING MEANS, AND BIREFRINGENT OPTICAL MEANS HAVING ITS OPTIC AXIS IN ALIGNMENT WITH THE OPTIC AXIS OF THE COMBINATION IN THE PATH OF THE OUTPUT LIGHT BEAM FOR EFFECTING CONICAL REFRACTION OF THE RESTORED LIGHT BEAM TO PROVIDE AN OUTPUT BEAM WITH AN INTENSITY DISTRIBUTION FOLLOWING A COSINE FUNCTION AS DETERMINED BY THE POLARIZATION TYPE OF THE BEAM EMITTED BY THE ACCEPTING MEANS.