Optical delay

Details Optical delay Optical delay

G - Physics

01

J

G01J 9/02 (2006.01) G02B 26/12 (2006.01)

Patent

CA 2582337

An optical delay line device includes a rotatable wheel and one or more prisms mounted about the circumference of the wheel. The one are more prisms are positioned to retroreflect the optical beam that passes approximately tangent to the wheel to cause a delay or phase shift to the beam as the wheel rotates.

La présente invention concerne une ligne à retard optique comportant une roue capable de rotation et autour de laquelle sont montés un ou plusieurs prismes. Ces prismes sont disposés de façon à renvoyer le faisceau optique sensiblement tangent à la roue de façon à provoquer un retard ou un déphasage du faisceau pendant la rotation de la roue.

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