Deformable lens with circular plate piezoelectric actuators as drive and mechanical driving method

A technology of piezoelectric actuators and driving methods, which is applied in optics, instruments, optical components, etc., and can solve problems such as small range, active piezoelectric actuators, and application limitations of adaptive optics telescopes and radio telescopes.

Inactive Publication Date: 2016-07-27
ZIJINSHAN ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
View PDF6 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, piezoelectric actuators on the market generally have small range limitations
Due to the small range, piezoelectric actuators are very limited in active and adaptive optics telescopes / radio telescopes

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Deformable lens with circular plate piezoelectric actuators as drive and mechanical driving method
  • Deformable lens with circular plate piezoelectric actuators as drive and mechanical driving method
  • Deformable lens with circular plate piezoelectric actuators as drive and mechanical driving method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] Unless the context clearly states otherwise, the number of elements and components in the present invention can exist in a single form or in multiple forms, and the present invention is not limited thereto. It can be understood that the term "and / or" used herein refers to and covers any and all possible combinations of one or more of the associated listed items.

[0027] Please also see figure 1 , figure 2 with image 3 , figure 1 It is a structural schematic diagram of a deformable mirror driven by a disc-type piezoelectric actuator provided by an embodiment of the present invention; ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a deformable mirror driven by a disc type piezoelectric actuator. The deformable mirror driven by a disc-shaped piezoelectric actuator includes a plate-shaped lens as a whole and a plurality of piezoelectric actuators sequentially fixed on the lens, and two adjacent piezoelectric actuators are opposite to each other. set at intervals; each of the piezoelectric actuators is a double piezoelectric disc structure, and includes a first piezoelectric layer, a metal layer and a second piezoelectric layer stacked in sequence, and the piezoelectric actuator Both the first piezoelectric layer and the second piezoelectric layer are electrically connected to an external power source having the same voltage, the metal layer is a common electrode of the first piezoelectric layer and the second piezoelectric layer, and the Metal layer ground setting. The invention also provides a mechanical driving method based on the deformable mirror driven by the disc piezoelectric actuator.

Description

technical field [0001] The invention belongs to the technical field of piezoelectric actuators, and in particular relates to a deformable mirror driven by a disc-shaped piezoelectric actuator and a mechanical driving method. Background technique [0002] Piezoelectric materials have excellent electromechanical coupling properties. Actuators developed from piezoelectric materials have the characteristics of fast response and high precision, and are widely used in the industry. However, piezoelectric actuators on the market have the limitation of small measuring range. Due to the small measuring range, the application of piezoelectric actuators in active and adaptive optics telescopes / radio telescopes is greatly limited. Active and adaptive optics systems require high frequency bandwidth, which in turn is largely constrained by the resonant frequencies of the actuators used in the system. [0003] Therefore, it is necessary to provide a deformable mirror driven by a disc-ty...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/08
CPCG02B26/0858
Inventor 王海仁
Owner ZIJINSHAN ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap