US 12,470,039 B2
System and techniques for diode laser wavelength spectrum narrowing
Jan H. Distelbrink, Peabody, MA (US); F. William Hersman, Durham, NH (US); and Iulian Constantin Ruset, Exeter, NH (US)
Assigned to XEMED LLC, Durham, NH (US)
Filed by Xemed LLC, Durham, NH (US)
Filed on Nov. 8, 2024, as Appl. No. 18/941,312.
Claims priority of provisional application 63/547,864, filed on Nov. 9, 2023.
Prior Publication US 2025/0158347 A1, May 15, 2025
Int. Cl. H01S 3/227 (2006.01); H01S 3/03 (2006.01); H01S 3/13 (2006.01); H01S 3/139 (2006.01); H01S 5/14 (2006.01)
CPC H01S 3/227 (2013.01) [H01S 3/031 (2013.01); H01S 3/1303 (2013.01); H01S 3/1392 (2013.01); H01S 5/141 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A diode laser system comprising:
at least one diode laser source configured for generating at least one beam;
at least one reflective surface arranged to form, in conjunction with the at least one diode laser source, an external cavity of the system; and
at least one vapor cell disposed within the external cavity between the at least one diode laser source and the at least one reflective surface;
wherein, in operation of the system:
at least a first portion of beam power of the at least one beam is reflected from the at least one reflective surface and again passed through the at least one vapor cell; and
deflection of the at least one beam passing through the at least one vapor cell serves to select one or more preferred wavelengths in the external cavity.