Movable mirror device, dispersion compensator, gain equalizer, and optical ADM apparatus

A movable mirror device comprising:

• a plurality of reflecting mirrors for reflecting signal light, the reflecting mirrors being arranged in a one-dimensional direction along a predetermined plane;
• a plurality of mirror drivers for driving the respective reflecting mirrors individually, the plurality of mirror drivers being arranged two-dimensionally relative to the one-dimensional direction;
• and
• a first substrate and a second substrate facing each other,
• wherein the plurality of mirror drivers are alternately provided in a first region and in a second region, the first region and the second region being located in order in a direction intersecting with the one-dimensional direction,
• wherein the plurality of reflecting mirrors include first mirrors provided on the first substrate and second mirrors provided on the second substrate,
• wherein the plurality of mirror drivers include first drivers provided on the first substrate and adapted to drive the first mirrors, and second drivers provided on the second substrate and adapted to drive the second mirrors,
• wherein the predetermined plane extends in a direction intersecting with the first substrate and with the second substrate, the one-dimensional direction is a direction substantially parallel to the first substrate and the second substrate, and the first mirrors and the second mirrors are alternately arranged between the first substrate and the second substrate, and
• wherein the first region and the second region are located in order in a direction from the first substrate to the second substrate, the first drivers are located in the first region, and the second drivers are located in the second region.