CN-224216951-U - Brightness-increasing and amplifying imaging device based on super-structured lens array

Abstract

The utility model provides a brightness enhancement and amplification imaging device based on super-constructed lens array, include along a plurality of images that arrange in proper order on the light propagation direction light emitting array, lens module one and lens module two, lens module one can regulate and control incident beam's phase place and amplitude, and lens module two sets up in lens module one's light path low reaches, the utility model discloses can carry out the achromatism to the light beam after the regulation and control again through lens module one and lens module two and assemble and enlarge after the distributed light beam carries out the shaping with lens module one, finally form the enlarged image, solved super-constructed lens because single super-constructed lens is limited in the aspect of brightness enhancement and enlarged imaging in the restriction of focus and size in the use, the occupation of land space that leads to is great, can't be applicable to the imaging problem of high resolution in the little space.

Inventors

• DU HUI
• WANG ZHAOGANG
• LI YAN
• WANG XIN
• XU QILONG
• ZHANG MING
• Guo Duanlin
• YANG ZHUANGZHUANG

Assignees

• 河南宏昌科技有限公司

Dates

Publication Date

20260508

Application Date

20250702

Claims (8)

1. 1. The brightness enhancement amplifying imaging device based on the super-structure lens array is characterized by comprising a plurality of image light emitting arrays (100), a first lens module (200) and a second lens module (300) which are sequentially arranged along the light propagation direction, wherein the first lens module (200) can regulate and control the phase and amplitude of an incident light beam, and the second lens module (300) is arranged at the downstream of a light path of the first lens module (200) and is used for receiving the light beam regulated and controlled by the super-structure lens array, and converging and amplifying the regulated light beam to form an amplified image.
2. 2. The device of claim 1, wherein the first lens module (200) is a microlens array comprising a plurality of convex lens arrays or a plurality of concave-convex lens arrays.
3. 3. The brightness enhancement and magnification imaging device based on a super-resolution lens array as described in claim 1, wherein the first lens module (200) is a super-resolution lens array, and the super-resolution lens array comprises a plurality of sub-wavelength structural units.
4. 4. The device for brightness enhancement and magnification imaging based on super-resolution lens array of claim 3, wherein said sub-wavelength building blocks are in the form of nanopillars, nanopores, nanofins or a combination thereof.
5. 5. The device of claim 1, wherein the second lens module (300) is disposed behind the first lens module (200), and the second lens module (300) is a single or multiple concave-convex lens for adjusting the propagation path and the light intensity distribution of the light beam.
6. 6. The device of claim 1, wherein the second lens module (300) is disposed behind the first lens module (200), and the second lens module (300) is a single or a combination of a plurality of super-lenses for adjusting the propagation path and the light intensity distribution of the light beam.
7. 7. The device of claim 1, wherein the second lens module (300) is disposed behind the first lens module (200), and the second lens module (300) comprises a plurality of concave and convex lenses and a super-lens for adjusting the propagation path and the light intensity distribution of the light beam.
8. 8. The device of claim 1, further comprising an imaging sensor (400) or a human eye, wherein the imaging sensor (400) is disposed downstream of the optical path of the second lens module (300) and is configured to receive the light beam amplified by the second lens module (300) and convert the light beam into an electrical signal or a digital signal.

Description

Brightness-increasing and amplifying imaging device based on super-structured lens array Technical Field The utility model relates to the technical field of optical imaging equipment, in particular to a brightness enhancement and amplification imaging device based on a super-structured lens array. Background In the field of optical imaging, conventional imaging systems face a number of challenges in achieving high resolution, large field of view and high brightness imaging. For example, conventional microscopes rely on multiple objectives to achieve different magnifications, are bulky, complex in structure and costly, are difficult to integrate into a compact device, and in the imaging process, light rays undergo multiple refraction and reflection, and the energy loss is large, resulting in insufficient imaging brightness. The super-structured lens provides a new way for solving the problems, and the super-structured lens regulates and controls the parameters such as light field amplitude, phase, spectrum, polarization and the like through a sub-wavelength super-structured unit structure, has the characteristics of ultra-thinness, planarization, easiness in integration, batch manufacturing and the like, but the current single super-structured lens is limited by the restriction of focal length and size in the aspects of brightness enhancement and amplification imaging, so that the performance of realizing high-resolution amplification imaging in a compact and narrow space is slightly insufficient, and how to realize the high-resolution amplification imaging in the narrow space becomes a problem to be solved. Disclosure of utility model In view of this, the present utility model provides a brightness enhancement and magnification imaging device based on a super-structured lens array, which can realize efficient magnification display of images through the synergistic effect of an image light emitting array, a first lens module and a second lens module without sacrificing resolution and increasing the working distance of the system. In order to solve the technical problems, the utility model provides a brightness enhancement and amplification imaging device based on an ultra-structured lens array, which comprises a plurality of image light emitting arrays, a first lens module and a second lens module, wherein the plurality of image light emitting arrays, the first lens module and the second lens module are sequentially arranged along the light propagation direction, the first lens module can regulate and control the phase and amplitude of an incident light beam, the second lens module is arranged at the downstream of a light path of the first lens module, the utility model can realize the shaping and the focusing of a distributed light beam by the first lens module and then perform achromatic focusing and amplifying on the regulated light beam by the first lens module and the second lens module, the utility model can realize the achromatic convergence and amplification of the light beams regulated and controlled by the first lens module and the second lens module after the shaping and convergence of the distributed light beams through a plurality of image light emitting arrays to finally form an amplified image, thereby solving the problem that the single super-structured lens has larger occupied space and cannot be suitable for imaging with high resolution in a small space because the single super-structured lens is limited by the restriction of focal length and size in the aspects of brightening and amplifying imaging in the use process. The first lens module is a micro lens array, and the micro lens array comprises a plurality of convex lens arrays or a plurality of concave-convex lens arrays. The first lens module is an ultra-structure lens array, and the ultra-structure lens array comprises a plurality of sub-wavelength structural units. The sub-wavelength structural units are in the shape of nanopillars, nanopores, nanofins, or combinations thereof. The second lens module is arranged behind the first lens module, and the second lens module is a single or a plurality of concave and convex lens combinations for adjusting the propagation path and the light intensity distribution of the light beam. The second lens module is arranged behind the first lens module, and the second lens module is a single or a plurality of super-structure lens combinations for adjusting the propagation path and the light intensity distribution of the light beam. The second lens module is arranged behind the first lens module, and the second lens module is formed by combining a plurality of concave lenses, convex lenses and super-structure lenses and is used for adjusting the propagation path and the light intensity distribution of the light beam. The imaging device also comprises an imaging sensor or human eyes, wherein the imaging sensor is arranged at the downstream of the optical path of the second lens module and is used for r