Optical isolator and method for assembling same

Details Optical isolator and method for assembling same Optical isolator and method for assembling same

G - Physics

02

B

G02B 27/28 (2006.01) G02F 1/09 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2046275

In optical isolators composed of a polarizes, an analyzer, a Faraday rotator, and permanent magnet for magnetizing the Faraday rotator for the Faraday effect, this invention enables controlling of the maximum isolation temperature in the 0 to 70°C temperature range. When assembling the device at room temperature, the Faraday rotator's wavelength dependence characteristics are used for this purpose. By varying the wavelength during the assembly and adjustment process by .DELTA..lambda. from the wavelength at which the device will be used, it is possible to set the temperature at which maximum isolation will be realized.

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