Second harmonic 423-nm laser generated by BIBO crystal for calcium optical frequency standard

【摘要】 <正>Calcium is one prospective element for the modern optical frequency standard.The 423-nm transition line of calcium atoms has been widely used in laser slowing and laser cooling,the precise spectrum measurement, and the magnetic optical trapping （MOT）.However,there is no any available commercial diode laser working at this wavelength.We built a 423-nm laser based on extra bow-tie cavity and by using a Brewster- cut uncoated BIBO （BiB₃O₆） crystal,which worked at room temperature,with conversion efficiency of 3.75%,and a potential up to 20%.更多还原

【Abstract】 Calcium is one prospective element for the modern optical frequency standard.The 423-nm transition line of calcium atoms has been widely used in laser slowing and laser cooling,the precise spectrum measurement, and the magnetic optical trapping （MOT）.However,there is no any available commercial diode laser working at this wavelength.We built a 423-nm laser based on extra bow-tie cavity and by using a Brewster- cut uncoated BIBO （BiB₃O₆） crystal,which worked at room temperature,with conversion efficiency of 3.75%,and a potential up to 20%.更多还原