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Multi-passage cavity of an optical device for spatial manipulation of luminous radiation

A multi-channel, optical component technology, applied in optical components, optics, instruments, etc., can solve problems affecting the normal operation of devices

Active Publication Date: 2020-10-16
CALLABS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Stresses to which components may be subjected (e.g., by heat) can cause slight displacements, which may affect the proper operation of the device

Method used

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  • Multi-passage cavity of an optical device for spatial manipulation of luminous radiation
  • Multi-passage cavity of an optical device for spatial manipulation of luminous radiation
  • Multi-passage cavity of an optical device for spatial manipulation of luminous radiation

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Embodiment Construction

[0027] In order to simplify the following description, the same reference numerals will be used for the same elements or elements performing the same function in the prior art or in the various presented embodiments of the invention.

[0028] For clarity, this application defines luminescent radiation as radiation formed by at least one mode of an electromagnetic field, each mode forming a spatial frequency distribution of the field's amplitude, phase, and polarization. Thus, a change, modulation or transformation of the phase of the luminescent radiation refers to a change or transformation of the spatial frequency of at least one mode of the radiation.

[0029] The "shape" of the radiation shall refer to the lateral distribution of amplitudes and phases of the modes, or the combination of the lateral amplitude and phase distributions of the modes forming the radiation.

[0030] In general terms, the present specification relates to an optical device for modulating incident l...

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Abstract

The invention relates to a multi-passage cavity (1) made up of the assembly of a planar mounting (2) and first and second reflective optical elements (3, 3') each having a main face (3a, 3'a) arrangedopposite one another, the main face (3a, 3'a) of at least one of the optical elements (3, 3') being microstructured to modify the phase of incident luminous radiation that is reflected several timeson each of the optical elements (3, 3') to form transformed radiation, the multi-passage cavity (1) being characterized in that it includes precisely three assembly interfaces.

Description

technical field [0001] The invention relates to an optical device for regulating luminescent radiation. More specifically, the present invention relates to an optical device comprising a multi-channel cavity configured to vary the lateral phase distribution of luminescent radiation. Background technique [0002] US 9250454 and US 2017010463 disclose optical devices denoted by the acronym MPLC (Multi Plane Light Conversion), which allow any unitary spatial transformation of luminescent radiation. [0003] From a theoretical point of view, as "Programmable unitary spatial mode manipulation" published by Morizur et al. in Volume 27, Issue 11 of J.Opt.Soc.Am.A in November 2010, the unitary spatial transformation can be effectively The earth is decomposed into a series of elementary transformations (transformations primaires), and each elementary transformation affects the lateral phase distribution of the luminous radiation. In practice, MPLC components typically employ 3 to 2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/06
CPCG02B26/06
Inventor C·雅卡尔P·德比奥勒B·德诺勒G·拉布罗伊O·皮内尔
Owner CALLABS