US 12,140,291 B2
Optical system for noise mitigation
Mark Alan Arbore, Los Altos, CA (US); and Matthew A. Terrel, Campbell, CA (US)
Assigned to APPLE INC., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Dec. 18, 2023, as Appl. No. 18/543,225.
Application 18/543,225 is a continuation of application No. 17/470,916, filed on Sep. 9, 2021, granted, now 11,852,318.
Claims priority of provisional application 63/076,249, filed on Sep. 9, 2020.
Prior Publication US 2024/0117953 A1, Apr. 11, 2024
Int. Cl. G02B 27/48 (2006.01); F21V 3/00 (2015.01); F21V 5/00 (2018.01); F21V 5/04 (2006.01); F21V 14/00 (2018.01); G01N 21/01 (2006.01); G02B 5/02 (2006.01); G02B 19/00 (2006.01); G02B 27/30 (2006.01)
CPC F21V 14/00 (2013.01) [F21V 3/00 (2013.01); F21V 5/007 (2013.01); F21V 5/043 (2013.01); G02B 19/0057 (2013.01); G02B 27/30 (2013.01); G02B 27/48 (2013.01); G01N 21/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A photonics assembly, comprising:
a photonics die comprising a plurality of output couplers;
a light emitter configured to emit light;
a moveable diffuser; and
a detector, wherein:
the photonics die is configured to split the light and route the light to each of the plurality of output couplers;
the diffuser is positioned to receive overlapping light beams from the plurality of output couplers and pass diffused light to a sample; and
the detector is positioned to receive return light from the sample.