Patent ID: 10185140

Abstract:
A Fabry-Perot interference filter 10A includes a first mirror 31; a second mirror 41 being opposite to the first mirror 31 with a gap S therebetween; a first electrode 17 formed in the first mirror 31 to surround a light transmission region 11; a second electrode 18 formed in the first mirror 31 to include the light transmission region 11; and a third electrode 19 formed in the second mirror 41 to be opposite to the first electrode 17 and the second electrode 18 and connected to the same potential as the second electrode 18. The second electrode 18 is positioned at the side of the third electrode 19 or the opposite side thereof with respect to the first electrode 17 in an opposite direction D where the first mirror 31 and the second mirror 41 are opposite each other.