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Portable phase quantitative determination device

A quantitative detection and portable technology, applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of unfavorable carrying, poor dynamic performance, complex structure, etc., and achieve improved acquisition speed and accuracy, convenient use, and simple structure Effect

Inactive Publication Date: 2017-09-01
BEIJING INST OF TECH SHENZHEN RES INST
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  • Abstract
  • Description
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Problems solved by technology

[0007] The purpose of the present invention is to provide a portable quantitative phase detection device to solve the problems of poor dynamic performance, complex structure and unfavorable portability in the prior art, and realize quantitative phase detection of high-speed and high-resolution three-dimensional transparent objects

Method used

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Embodiment Construction

[0017] The invention discloses a portable phase quantitative detection device, which includes a light source module and a phase imaging module. The light source module uses a monochromatic LED light source and a collimating optical component to provide a uniform and stable illumination source for the phase imaging module. The phase imaging module adopts a flexible zoom Lens, microscope objective lens, 4f imaging system and camera are used to realize fast axial scanning of the system and to collect light intensity images with constant magnification, and use the collected three light intensity images to solve the light intensity transfer equation to obtain the phase information of the object .

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] The optical structure of a portable phase quantitative detection device of the present invention is as follows image 3 As shown, it includes a...

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Abstract

The invention discloses a portable phase quantitative determination device. The portable phase quantitative determination device comprises a light source module and a phase microscopic imaging module, wherein the light source module is used for providing a uniform stable illumination light source for the phase microscopic imaging module through utilizing a single-color LED light source, a collimation optical assembly and a reflector, the phase microscopic imaging module is used for realizing rapid axial system scanning and acquiring light intensity images with invariant magnifying power through utilizing a flexible zooming lens, a microscopic object lens, a 4f imaging system and a camera, a light intensity transmission equation is solved through utilizing the acquired three light intensity images, and the phase information of an object can be acquired. The portable phase quantitative determination device is advantaged in that during work, the portable phase quantitative determination device is mounted on a precise displacement station, so the phase detection function can be realized, the structure is simple, the device is portable, a detection speed is fast, and the device is suitable for being applied to biological cell phase imaging.

Description

technical field [0001] The invention relates to a portable phase quantitative detection device, which belongs to the technical fields of optical measurement and three-dimensional imaging. [0002] technical background [0003] Wavefields, as described by Maxwell's equations, contain the properties of amplitude and phase and are described as space-time functions. Phase is an intrinsic property of wavelength, and studies have shown that about a quarter of the information is in the amplitude and about three-quarters in the phase. However, in practice, existing detection equipment can only directly measure the intensity (amplitude) of the wave field, and cannot directly measure the phase of the wave field, because there is currently no detector that can match the time bandwidth of light or quantum mechanical fields. . This lost phase information is crucial in surface reconstruction, microscopy, position detection and depth measurement. Currently, the most commonly used phase d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/24
CPCG01B11/00G01B11/24
Inventor 文永富程灏波
Owner BEIJING INST OF TECH SHENZHEN RES INST
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