Claims
- 1. An optoelectronic device, comprising:(a) a laser and a lens for generating collimated light; (b) a locker including an etalon for wavelength locking the collimated light; (c) a first thermo-electric cooler coupled to the laser; and (d) a second thermo-electric cooler coupled to the locker; (e) wherein the first and second thermo-electric coolers are independently controlled and the second thermo-electric cooler provides for temperature tuning of the etalon.
- 2. The optoelectronic device of claim 1, wherein the temperature tuning is performed to compensate for etalon misalignment.
- 3. The optoelectronic device of claim 1, wherein the temperature tuning is performed to lock on a different wavelength when the laser is tunable.
- 4. The optoelectronic device of claim 1, wherein the locker splits a beam from the collimated light that passes through the etalon with a phase change.
- 5. The optoelectronic device of claim 1, wherein a relationship between an incident angle θ of the beam to the etalon's surfaces and a temperature change ΔT is: Δ T=n(1cos θ-1)ⅆnⅆTwhere n is an index of refraction for the etalon and T is a temperature.
- 6. The optoelectronic device of claim 5, wherein n is 1.44 and ⅆnⅆT is 1.16×10-5for fused silica.
Parent Case Info
This application claims the benefit of provisional application No. 60/312,956, filed Aug. 15, 2001.
US Referenced Citations (12)
Non-Patent Literature Citations (1)
Entry |
Marlow Industries, Inc., “Thermoelectric Cooling Systems Design Guide,” Publication No. 017-7939 Rev 2, 1998, 22 pp. |
Provisional Applications (1)
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Number |
Date |
Country |
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60/312956 |
Aug 2001 |
US |