Compact thermoelastic actuator for waveguides, waveguides with phase stability and multiplexing device comprising such an actuator

摘要

Actuator compact thermoelastic to waveguides comprising at least two pieces of identical effort (10a, 10b, 10c, 10d, 30a, 30b) made of a first material having a first coefficient of thermal expansion CTE1 and retention part (11, 31 ) made of a second material different from the first material and having a second coefficient of thermal expansion CTE2 lower than the first thermal expansion coefficient CTE1, characterized in that the pieces of effort (10a, 10b, 10c, 10d, 30a, 30b) have a length extending along a longitudinal axis between two internal outer ends (16, 36) and (12, 13, 32) are mounted back found alongside one another parallel to the axis Y and are linearly offset relative to one another , along the longitudinal axis, and in that the retention part comprises two upper and lower ends and an intermediate area between the two upper and lower ends, being the ext upper and lower paddles workpiece maintenance (11, 31) respectively connected to the outer ends (16, 36) of each piece of effort (10a, 10b, 10c, 10d, 30a, 30b) and the inner ends being (12 , 13, 32) of each piece of effort positioned beneath the intermediate zone (14, 34) of the retention part (11, 31).