G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/00 (2006.01) G02B 5/08 (2006.01) G02B 5/18 (2006.01) H04B 10/12 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2648634
The invention concerns an optical device (100) comprising; - a fibre array (120) comprising input elements (122) positioned on an emission line (112), and output elements (121) positioned on a reception line (111), parallel to the emission line (112) and separated by a distance D and, - a compact dispersing system (130) ensuring wavelength selective conjugation of signals between the end faces of the input elements (122) and the end faces of the output elements (121) and comprising: - a plane mirror (140) - a concave mirror (60), and - a plane diffraction grating (50) The optical device (100) being characterised in that the size of the plane mirror (140) is limited with respect to the two said parallel straight lines (111, 112) such that beams propagating from the end faces of the input elements (122) to the concave mirror (60) and beams propagating from the concave mirror (60) to the end faces of the output elements (121) are not affected by the presence of the plane mirror (140).
Poudoulec Alain
Van Der Keur Michiel Jacobus
Macpherson Leslie & Tyerman Llp
Yenista Optics
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