The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 13, 2026

Filed:

Sep. 20, 2023
Applicant:

Nikira Labs Inc., Mountain View, CA (US);

Inventors:

John Brian Leen, Sunnyvale, CA (US);

Manish Gupta, Mountain View, CA (US);

Rupal Gupta, Mountain View, CA (US);

Assignee:

Nikira Labs Inc., Mountain View, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/42 (2006.01); G01J 3/02 (2006.01);
U.S. Cl.
CPC ...
G01J 3/42 (2013.01); G01J 3/0202 (2013.01); G01J 3/0208 (2013.01); G01J 3/0237 (2013.01); G01J 3/0291 (2013.01); G01J 2003/423 (2013.01);
Abstract

An optical cavity includes a cell having at least one structure with a first end and a second end, a first end-cap configured to removably receive a first mirror, and a second end-cap configured to removably receive a second mirror. The first end-cap is attached to the structure at the first end and has an opening with a center axis. The second end-cap is attached to the structure at the second end and has an opening with a center axis that is axially aligned with the center axis of the first end-cap. The cell can be a closed cell, wherein the structure is a tube axially aligned with the center axis. The cell can be an open cell, wherein the structure is a tube that includes one or more openings through its wall. The cell can be an open cell, wherein the structure includes one or more rods, each off axis from the center axis.


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