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US 2019/0377222 A1Published application
Liquid-crystal selectable bandpass filter
AssigneeViavi Solutions Inc.
InventorsValton SMITH, William D. HOUCK
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Abstract
An optical device may include an optical filter array comprising an array of bandpass filters, and a liquid-crystal (LC) panel comprising an array of LC regions. An aspect ratio of the LC panel may match an aspect ratio of the optical filter array such that each LC region, of the array of LC regions, is associated with a respective bandpass filter of the array of bandpass filters A LC region, of the array of LC regions, may selectively transmit light that is incident on the LC region.
Claims20
An optical device, comprising:
- an optical filter array comprising an array of bandpass filters;
- and
- a liquid-crystal (LC) panel comprising an array of LC regions,
- wherein an aspect ratio of the LC panel matches an aspect ratio of the optical filter array such that each LC region, of the array of LC regions, is associated with a respective bandpass filter of the array of bandpass filters,
- wherein first light is transmitted by a first filter of the array of bandpass filters based on a first electrical signal applied to the first filter,
- wherein second light is transmitted by a second filter of the array of bandpass filters based on a second electrical signal applied to the second filter, and
- wherein a LC region, of the array of LC regions, is to selectively transmit light that is incident on the LC region.
4 more elements
An optical device, comprising:
- an array of optical filters;
- and
- a liquid-crystal (LC) panel comprising an array of LC regions,
- wherein a first LC region, of the array of LC regions, is to selectively transmit first light that is incident on the first LC region,
- wherein the first LC region is associated with a first optical filter of the array of optical filters,
- wherein the first light is transmitted by the first optical filter based on a first electrical signal applied to the first optical filter,
- wherein a second LC region, of the array of LC regions, is to selectively transmit second light that is incident on the second LC region,
- wherein the second LC region is associated with a second optical filter of the array of optical filters, and
- wherein the second light is transmitted by the second optical filter based on a second electrical signal applied to the second optical filter.
6 more elements
A method, comprising:
- transmitting, by a first filter included in an optical filter array of an optical device and based on a first electrical signal applied to the first filter, first light that is incident on the first filter;
- transmitting, by a second filter included in the optical filter array and based on a second electrical signal applied to the second filter, second light that is incident on the second filter;
- and
- selectively transmitting, by a liquid-crystal (LC) region included in a LC panel of the optical device, light that is incident on the LC region,
- wherein an aspect ratio of the LC panel matches an aspect ratio of the optical filter array such that each LC region, of the LC panel, is associated with a respective bandpass filter of the optical filter array.
2 more elements
Dependencies are inferred from the claim text.