US 12,242,107 B2
Optofluidic devices
Frank Zaugg, Redwood City, CA (US); and Joshua Wayne Parks, Portland, OR (US)
Assigned to Fluxus, Inc., Santa Clara, CA (US)
Filed by Fluxus, Inc., Sunnyvale, CA (US)
Filed on Oct. 7, 2022, as Appl. No. 17/962,204.
Prior Publication US 2024/0118490 A1, Apr. 11, 2024
Int. Cl. G02B 6/122 (2006.01); G02B 6/136 (2006.01); B01L 3/00 (2006.01); G02B 6/12 (2006.01)
CPC G02B 6/122 (2013.01) [G02B 6/136 (2013.01); B01L 3/502715 (2013.01); G02B 2006/12035 (2013.01); G02B 2006/121 (2013.01); G02B 2006/12176 (2013.01)] 40 Claims
OG exemplary drawing
 
1. A waveguiding structure comprising:
a waveguiding layer comprising a first oxide layer, a second oxide layer adjacent to the first oxide layer, a third oxide layer adjacent to the second oxide layer on a side opposite from the first oxide layer, and an oxide strip adjacent to the second oxide layer and extending at least partially into the third oxide layer, wherein the first, second, and third oxide layer and oxide strip form a ridge waveguide;
a fluid channel extending through at least a portion of the first, second, and third oxide layers and the oxide strip and intersecting the ridge waveguide such that light carried by the ridge waveguide is incident on the fluid channel; and
a cover layer affixed to the waveguiding layer and enclosing the fluid channel.