US 12,422,606 B2
Optical device
William D. Houck, Santa Rosa, CA (US)
Assigned to VIAVI Solutions Inc., Chandler, AZ (US)
Filed by VIAVI Solutions Inc., Chandler, AZ (US)
Filed on Oct. 4, 2023, as Appl. No. 18/480,700.
Application 18/480,700 is a continuation of application No. 17/663,478, filed on May 16, 2022, granted, now 11,796,726.
Application 17/663,478 is a continuation of application No. 17/133,172, filed on Dec. 23, 2020, granted, now 11,333,811, issued on May 17, 2022.
Prior Publication US 2024/0027666 A1, Jan. 25, 2024
Int. Cl. G02B 5/28 (2006.01); G01J 3/28 (2006.01); G02B 1/00 (2006.01); G02B 5/22 (2006.01)
CPC G02B 5/285 (2013.01) [G01J 3/2803 (2013.01); G02B 1/002 (2013.01); G01J 2003/2809 (2013.01); G02B 5/22 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An optical device, comprising:
a thin film filter disposed over a surface of a first substrate,
the thin film filter comprising an aperture;
one or more optical elements disposed over a first surface of a second substrate; and
one or more additional optical elements disposed over a second surface of the second substrate,
the one or more optical elements comprising one or more metamaterial structures,
a thickness of the one or more optical elements being less than or equal to 10 microns, and
a thickness of the optical device being less than or equal to 5 millimeters.