Widely tunable Yb:KYW laser with a volume Bragg grating

• We demonstrate a narrowband, continuously tunable Yb: KYW laser locked by a volume Bragg grating at oblique incidence in a retroreflector configuration. The tuning range was 997 nm to 1050 nm (15 THz) with bandwidth < 0.1 nm and a maximum output power of 4.7 W. In a high- quality beam with M-2 < 1.3, the maximum output power was 1.7 W. We also demonstrate 3 W output power at 1064 nm from the same Yb: KYW laser with the grating at normal incidence.

Subject headings

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Keyword

Bandwidth; Fiber Bragg gratings; Laser beams; Laser mode locking; Laser tuning; Ytterbium; Output power; Retroreflectors; Volume Bragg grating; Yb:KYW lasers; Solid state lasers

Physics

Fysik

Publication and Content Type

ref (subject category)

art (subject category)