Coherent light generators – Particular beam control device – Mode discrimination
Reexamination Certificate
2009-11-23
2011-12-27
Park, Kinam (Department: 2828)
Coherent light generators
Particular beam control device
Mode discrimination
C372S020000
Reexamination Certificate
active
08085821
ABSTRACT:
The light-enhancing system of the invention comprises a laser diode in which a fully reflecting mirror and/or a partially reflecting mirror of the laser diode is made in the form of digital planar holography (DPH) incorporating a mode-reorganization function that decreases divergence and improves brightness of the output beam of the system by suppressing high-order modes and gaining low-order modes, or mode. The holographic elements are made in the form of rectangular grooves that can be manufactured as binary features reproduced by methods of nanolithography or nanoimprinting.
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