Japan, Sept. 18 -- HAMAMATSU PHOTONICS KK has got intellectual property rights for 'FILTER UNIT.' Other related details are as follows:
Application Number: JP,2022-192973
Category (FI): G02B26/00,G02B5/28
Stage: PROBLEM TO BE SOLVED: To provide a filter unit that is suitable for the arrangement of a Fabry-Perot interference filter in an area narrow in an optical axis direction.SOLUTION: A filter unit 1 comprises: a support 2 that has an opening 23; a Fabry-Perot interference filter 10 that includes a pair of mirror parts facing each other in a Z-axis direction, the distance between which is variable, and is arranged on the support 2 to overlap the opening 23 when seen from the Z-axis direction; and a wiring board 4 that is arranged on th...