Method and system for stabilizing fiber grating optical parameters
AssigneeRAM Photonics Industrial, LLC
InventorJohn R. Marciante
Life of this patent
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Abstract
A method of stabilizing a fiber Bragg grating (FBG) disposed in a thermomechanical housing included performing an initialization process including measuring a transmission ratio at a plurality of FBG temperatures between an initial and final temperature, determining a maximum transmission ratio, and changing the temperature of the FBG until the transmission ratio equals a target transmission ratio. The method also includes performing an operation process including (a) measuring the transmission ratio, (b) adjusting the FBG temperature to align the measured transmission ratio with the predetermined fraction of the maximum transmission ratio, and (c) iteratively performing (a) and (b).
Claims19
A method of stabilizing a fiber Bragg grating (FBG) disposed in a thermomechanical housing, the method including:
- performing an initialization process including:
- setting a temperature of the FBG to an initial value;
- changing the temperature of the FBG to a final value;
- measuring a transmission ratio at a plurality of FBG temperatures between the initial value and the final value;
- determining a maximum transmission ratio;
- setting the temperature of the FBG to the initial value;
- and
- setting a target transmission ratio equal to a predetermined fraction of the maximum transmission ratio;
- and
- changing the temperature of the FBG until the transmission ratio equals the target transmission ratio;
- performing an operation process including:
- (a) measuring the transmission ratio;
- (b) adjusting the FBG temperature to align the measured transmission ratio with the predetermined fraction of the maximum transmission ratio;
- and
- (c) iteratively performing (a) and (b).
Dependencies are inferred from the claim text.