Researchers demonstrate first femtosecond fiber laser with visible wavelength
Experimental setup of the fiber laser. BD, beam dump; DM, dichroic mirror; ISO/POL, polarizing optical isolator; L, lens; M, mirror; PBS, polarizing beam splitter; TG, transmission grating; /2, half wave plate; /4, quarter wave plate. Credit: Optics letters (2023). DOI: 10.1364/OL.492671 Researchers have developed the first fiber laser capable of producing femtosecond pulses in the … Read more