Patent · US Expired

Optical module, optical apparatus including optical module, and method for using optical module

US7056035B2 · kind B2 · utility

4Cited by
6References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2002
Grant dateJun 6, 2006
Priority date
Expiry dateJul 20, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/06804
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical module includes a package; an optical device housed in the package, and having a temperature-dependent characteristic; a thermo-module connected to the optical device to control its temperature and configured to heat or cool the optical device when supplied with a first electric current in one direction or a second electric current in a direction opposite to the first electric current, respectively; and a heating element disposed close to the optical device and configured to heat the optical device when supplied with an electric current.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.