Patent · US Active

Optical device with expansion compensation

US11860441B2 · kind B2 · utility

0Cited by

4References

27Claims

0Family size

Assignee

Unispectral Ltd. · IL

Inventors

Peleg Levin · Ashdod, IL
Eliahu Chaim Ashkenazi · Jerusalem, IL

Key dates

Filing date	May 7, 2019
Grant date	Jan 2, 2024
Priority date	—
Expiry date	May 7, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG02B7/008
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An optical unit that includes a lens and a frame that is configured to support the lens; wherein the lens has a coefficient of thermal expansion (CTE) of a first value; wherein the frame has a CTE of a second value; wherein the first value differs from the second value; and wherein at least one of the lens and the frame comprises a flexible interface for compensating for differences between thermal expansions of the lens and of the frame.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.