Coherent light generators – Particular beam control device – Tuning
Reexamination Certificate
2007-11-13
2007-11-13
Rodriguez, Armando (Department: 2828)
Coherent light generators
Particular beam control device
Tuning
C372S028000, C372S032000
Reexamination Certificate
active
11170893
ABSTRACT:
Thermo-optic tuning apparatuses and techniques that may be used in external cavity lasers are provided. A wavelength selection device may be placed in the external cavity and may include a thermally responsive substrate and tunable optical elements extending therefrom. Heating and heat monitoring actuators may be formed in the substrate itself, with the tunable optical elements being mechanically positioned in the recesses of the substrate for thermo-optic tuning. In some examples, a separate optical path length adjustment element is also placed in the thermally responsive substrate, or elsewhere, for separate frequency tuning. This adjustment element may be part of a control that is detangled from the normal servo controls used in laser tuning.
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McDonald Mark E.
Wang Wei
Intel Corporation
Marshall & Gerstein & Borun LLP
Rodriguez Armando
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