H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 3/08 (2006.01) H01S 3/034 (2006.01) H01S 3/105 (2006.01) H01S 3/139 (2006.01)
Patent
CA 2220313
An optical chamber for use in a laser or other optical device includes a hollow container with holes at opposite ends. A fixed mirror is sealed to the housing and overlies one hole, whereas a movable mirror is sealed to the housing by a flexible seal such as and O-ring interposed between the mirror and the housing. A variable force actuator such as a piezoelectric element biases the movable mirror against the seal. By varying the force applied by the actuator, the movable mirror can be moved towards and away from the fixed mirror to vary the path length through the chamber. The chamber can provide a low cost tunable gas laser.
Cette invention concerne une chambre optique destinée à un laser ou autre dispositif optique et comportant un trou sur deux côtés opposés. Un miroir fixe scellé en place couvre l'un des trous tandis qu'un miroir mobile est monté dans la chambre optique au moyen d'un joint torique souple intercalé entre le miroir et la paroi de la chambre. Un actionneur à force variable, un élément piézoélectrique par exemple, pousse le miroir mobile contre le joint susmentionné. En variant la force exercée par l'actionneur, on éloigne ou rapproche le miroir mobile du miroir fixe de façon à modifier la longueur du trajet de la lumière à l'intérieur de la chambre. L'objet de l'invention peut servir à la fabrication d'un laser à gaz accordable à faible coût.
Alimenterics Inc.
Moffat & Co.
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