Unlock instant, AI-driven research and patent intelligence for your innovation.

Optical assembly with translatable centered sleeve

A technology of optical components and optical elements, which is applied in the field of mechanical components, can solve the problems of re-centering and impossibility of optical elements

Active Publication Date: 2018-03-27
INSTITUT NATIONAL D'OPTIQUE
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such translations are not possible in optical configurations such as those described above with respect to Figure 1 (where the alignment of the lenses depends on the presence of seats machined in the cavities).
Additionally, any displacement of the optics within the barrel may require re-centering of the optics

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
  • Optical assembly with translatable centered sleeve
  • Optical assembly with translatable centered sleeve
  • Optical assembly with translatable centered sleeve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] The following description relates to an optical assembly that allows a sleeve to move longitudinally within a lens barrel, thereby moving longitudinally one or more optical elements mounted in the sleeve while ensuring the centering of these optical elements within the lens barrel.

[0036] refer to figure 2 with 2A , shows an optical assembly 20 according to one embodiment. Optical assembly 20 generally includes a barrel 24 that defines a cavity 32 . The cavity 32 has a central axis B defined as its axis of symmetry. A sleeve 54 is inserted into cavity 32, one or more optical elements 22 are mounted within sleeve 54, and retaining ring 26 is inserted into the cavity and secures sleeve 54 therein. For example, in figure 2 In the illustrated embodiment, the two optical elements 22a and 22b are shown mounted within the sleeve 54, but those skilled in the art will appreciate that in alternative embodiments a single optical element or optical element may be provided in ...

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

Optical assemblies are provided including a barrel defining a cavity having a center axis, a sleeve inserted in the cavity, one or more optical elements mounted within the sleeve and a retaining ringinserted into the cavity and securing the sleeve. The sleeve engages the barrel inner wall through a thread engagement allowing a longitudinal displacement of the sleeve within the cavity. The retaining ring is also threadably engaged within the barrel, and the profile of the corresponding threads, as well as the spatial profile of a peripheral transversal surface of the sleeve engaging the retaining ring, are selected to provide a centering of the sleeve with respect to the center axis of the cavity throughout the longitudinal displacement of the sleeve.

Description

technical field [0001] The present invention relates to mechanical components for use in optical systems, and more particularly to an optical assembly that allows a sleeve to move longitudinally within a lens barrel, thereby moving longitudinally one or more optical elements mounted in the sleeve while ensuring that these optical Alignment of components in the barrel. Background technique [0002] Optical elements or components are ubiquitous in devices, systems or arrangements where light needs to be directed, expanded, focused, collimated or otherwise transformed or affected. Optical elements may be implemented, for example, by lenses, mirrors, diffractive optical elements (DOEs), components thereof, and the like. [0003] In a typical optical system, most or all optical components often require precise positioning and alignment in order to properly perform their intended optical functions. This positioning and alignment usually involves securing the optics in some sort ...

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
IPC IPC(8): G02B7/00G02B7/02G02B7/18
CPCG02B7/023G02B7/026G02B7/003
Inventor F.拉蒙塔涅N.德斯诺耶斯
Owner INSTITUT NATIONAL D'OPTIQUE