US 11,742,634 B1
Laser bar device having multiple emitters
James W. Raring, Santa Barbara, CA (US); Paul Rudy, Goleta, CA (US); and Chendong Bai, Goleta, CA (US)
Assigned to KYOCERA SLD Laser, Inc., Goleta, CA (US)
Filed by KYOCERA SLD Laser, Inc., Goleta, CA (US)
Filed on May 10, 2021, as Appl. No. 17/315,712.
Application 17/315,712 is a continuation of application No. 16/811,187, filed on Mar. 6, 2020, granted, now 11,005,234, issued on May 11, 2021.
Application 16/811,187 is a continuation of application No. 16/045,463, filed on Jul. 25, 2018, granted, now 10,587,097, issued on Mar. 10, 2020.
Application 16/045,463 is a continuation of application No. 15/643,976, filed on Jul. 7, 2017, granted, now 10,050,415, issued on Apr. 14, 2018.
Application 15/643,976 is a continuation of application No. 15/047,494, filed on Feb. 18, 2016, granted, now 9,716,369, issued on Jul. 25, 2017.
Application 15/047,494 is a continuation of application No. 13/439,656, filed on Apr. 4, 2012, granted, now 9,287,684, issued on Mar. 15, 2016.
Claims priority of provisional application 61/471,334, filed on Apr. 4, 2011.
This patent is subject to a terminal disclaimer.
Int. Cl. H01S 5/40 (2006.01); B82Y 20/00 (2011.01); H01S 5/22 (2006.01); H01S 5/343 (2006.01)
CPC H01S 5/4031 (2013.01) [B82Y 20/00 (2013.01); H01S 5/2201 (2013.01); H01S 5/34333 (2013.01); H01S 5/4012 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A device comprising:
a laser bar device comprising:
a common base member having a region containing gallium and nitrogen material;
a plurality of laser devices arranged in parallel alignment and disposed on a surface of the common base member, each of the laser devices of the plurality of laser devices being a ridge laser device having an active region;
a plurality of emitters, one emitter of the plurality of emitters provided for each of the laser devices, the plurality of emitters being characterized by an average operating power, each of the plurality of emitters being characterized by an emission of electromagnetic radiation within a wavelength range of between 395 nm and 480 nm, and each of the laser devices being characterized by a length and a width;
at least one collimating optic coupled to the plurality of emitters; and
an electrode electrically coupled to the laser devices,
wherein total output power of the laser bar device is greater than 5 W.