Patent · US Active

Holder for a holographic grating

US8857779B2 · kind B2 · utility

2Cited by

19References

4Claims

0Family size

Assignee

GE Healthcare Bio-Science AB · US

Inventors

Mikael Anders Hornqvist · Uppsala, SE
Patrik Akerstrom · Uppsala, SE
Stig Tormod · Uppsala, SE

Key dates

Filing date	Mar 29, 2010
Grant date	Oct 14, 2014
Priority date	—
Expiry date	Jan 30, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG01J2003/2866
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An adjustable holder (1) for a concave holographic grating (2) for enabling the correct positioning of the grating vis-à-vis a light entrance port (15) and a light exit port (20), characterized in, that it comprises a grating hinge (10) fixed to said grating, said grating hinge (10) enabling rotational adjustment of the grating position with respect to said holder (1), the center point of the rotational adjustment being located at the vertex of said grating (2).

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