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Direct Generation of a Laguerre-Gaussian-Mode Optical Vortex Beam in a Single-Frequency Nd:YVO4 Unidirectional Ring Laser
- Kim, Tae Hyung;
- Park, Jong Sun;
- Kim, Ji Won;
- Kim, Dong Joon;
- Park, Eun Ji
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10초록
A single-frequency, unidirectional ring laser with a first order Laguerre-Gaussian (LG(01)) mode output end-pumped by using a ring-shaped pump beam is reported. This approach has been applied to a diode-pumped Nd:YVO4 laser in a traveling wave resonator configuration yielding 2.1 W and 1.5 W of single-frequency LG(01) mode outputs with helical wavefronts of left- and right-handedness, respectively. Moreover, we show that its wavefront helicity can be switched by changing the lasing direction and frequency. The selection mechanism of the wavefront helicity and the prospects of this approach are discussed.
키워드
Diode-pumped solid state lasers; Laguerre-Gaussian mode; Single-frequency laser; Optical vortices; 42; 55; Xi; 42; 55; Rz; 42; 60; Da; ORBITAL ANGULAR-MOMENTUM; ELEMENTS; OUTPUT
- 제목
- Direct Generation of a Laguerre-Gaussian-Mode Optical Vortex Beam in a Single-Frequency Nd:YVO4 Unidirectional Ring Laser
- 저자
- Kim, Tae Hyung; Park, Jong Sun; Kim, Ji Won; Kim, Dong Joon; Park, Eun Ji
- 발행일
- 2019-10
- 유형
- Article
- 권
- 75
- 호
- 8
- 페이지
- 557 ~ 560
- 언어
- ENG
- 출판사
- KOREAN PHYSICAL SOC
- 발행국가
- 대한민국
- 분량
- 4 페이지
- ISSN
- E 1976-8524
P 0374-4884