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Numerical aperture matching device of synchronous radiation infrared microscope

A numerical aperture and matching device technology, applied to measuring devices, optical devices, installation, etc., can solve problems such as troublesome operation, waste of manpower and time, and inability to obtain continuously adjustable beams of size, so as to achieve simple operation and save manpower and man-hours Effect

Active Publication Date: 2014-03-05
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the focal length of the replaced off-axis parabolic mirror is a discrete value, only a few beams of fixed size can be obtained according to the focal length of the replaced off-axis parabolic mirror, but a continuously adjustable beam cannot be obtained. The components are installed in a vacuum environment, so the operation of replacing the optical components and changing the position is cumbersome and wastes manpower and time

Method used

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  • Numerical aperture matching device of synchronous radiation infrared microscope
  • Numerical aperture matching device of synchronous radiation infrared microscope
  • Numerical aperture matching device of synchronous radiation infrared microscope

Examples

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Embodiment 1

[0020] figure 1 An embodiment of the numerical aperture matching device of the synchrotron radiation infrared microscope of the present invention is shown, which includes two off-axis parabolic mirrors 1, 2 that are coaxial and confocal and oppositely arranged, wherein, confocal refers to two off-axis parabolic mirrors 1 and 2 have coincident focal points 9, and the confocal setting ensures that the two off-axis parabolic mirrors 1 and 2 work in the ideal state of point light source to parallel beam or parallel beam to point light source; coaxial refers to two off-axis parabolic mirrors 1, 2 has a coincident rotational symmetry axis 8, the incident beam 6 is incident on the first off-axis parabolic mirror 1 parallel to the rotational symmetry axis 8, and is sequentially reflected by the first off-axis parabolic mirror 1 and the second off-axis parabolic mirror 2 to obtain an outgoing beam 7. The coaxial setting ensures that the incident beam 6 and the outgoing beam 7 are paral...

Embodiment 2

[0025] image 3 Another embodiment of the numerical aperture matching device of the synchrotron radiation infrared microscope of the present invention is shown. Similar to Embodiment 1, the numerical aperture matching device includes two off-axis parabolic mirrors 101, 102 that are coaxial and confocal and oppositely arranged, The incident light beam 106 is parallel to the rotational symmetry axis (not shown) of the two off-axis parabolic mirrors 101, 102 and is incident on the first off-axis parabolic mirror 101 and passes through the first off-axis parabolic mirror 101 and the second off-axis parabolic mirror 102 in sequence. Reflection results in the outgoing beam 107 . Preferably, the off-axis angles of the off-axis parabolic mirrors 101 and 102 are both 90 degrees. The numerical aperture matching device also includes an exit beam translation mechanism, the exit beam translation mechanism includes at least one exit plane mirror 103 opposite to the second off-axis paraboli...

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Abstract

The invention provides a numerical aperture matching device of a synchronous radiation infrared microscope. The device comprises two off-axis parabolic mirrors, an outgoing beam translation mechanism and an off-axis parabolic mirror translation mechanism or an incident beam translation mechanism, wherein the two off-axis parabolic mirrors are arranged oppositely and have superposed focuses and superposed rotary symmetric axes, and incident beams parallel to the rotary symmetric axes are incident to the first off-axis parabolic mirror and sequentially reflected by the first and second off-axis parabolic mirrors to form outgoing beams; the outgoing beam translation mechanism comprises at least one outgoing plane mirror arranged opposite to the second off-axis parabolic mirror to change the direction of the outgoing beams and an outgoing translation table for installing an outgoing plane mirror; and the off-axis parabolic mirror translation mechanism comprises an off-axis parabolic mirror translation table, the incident beam translation mechanism comprises at least one incident plane mirror and an incident translation table, and the moving direction of the off-axis parabolic mirror translation table or the incident translation table is vertical to the rotary symmetric axes. The device ensures continuous adjustment of the size of synchronous radiation infrared beams, is easy to operate, and saves manpower and working time.

Description

technical field [0001] The invention relates to the field of synchrotron radiation infrared microscopy, in particular to a numerical aperture matching device of a synchrotron radiation infrared microscope. Background technique [0002] On the synchrotron radiation infrared microbeamline station, since the infrared beam emitted by the synchrotron radiation has a small emission angle and passes through multiple optical elements during the extraction process, it is necessary to introduce a Fourier transform spectrometer within a transmission distance of several meters, and then introduce infrared microscope. Infrared microscopes generally use a total reflection Schwarzschild (Schwarzschild) objective lens. The characteristics of this objective lens require that the incident beam must meet the incident aperture. If the incident beam size is too large, there will be photons that cannot enter the convex spherical mirror. And the loss; if the size of the incident light beam is too...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/00G02B7/198G01B11/00
Inventor 佟亚军陈敏吉特张增艳肖体乔
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI