By using a 3-methoxy-4-hydroxy-benzaldehyde(MHBA)crystal as frequency doubler at room temperature,an efficient blue light output for near IR automatic tunable picosecond parametric laser is obtained,and blue-violet li...By using a 3-methoxy-4-hydroxy-benzaldehyde(MHBA)crystal as frequency doubler at room temperature,an efficient blue light output for near IR automatic tunable picosecond parametric laser is obtained,and blue-violet light output by frequency doubling of GaAlAs laser diode is also realized.A 404.5nm light,with output power of 3μW is generated from the 1W input power of a 809 nm GaAlAs laser diode on a MHBA crystal device which is 3 mm thick at the phase matching angles ofθ=90°,ψ=15°.展开更多
A prospective new organic material:3-methoxy-4-hydroxy-benzaldehyde(MHBA)with powder second harmonic generation efficiency 30 times as large as that of urea and the cutoff wavelength of 370nm is reported.MHBA belongs ...A prospective new organic material:3-methoxy-4-hydroxy-benzaldehyde(MHBA)with powder second harmonic generation efficiency 30 times as large as that of urea and the cutoff wavelength of 370nm is reported.MHBA belongs to monoclinic system space group P2_(1),and the unit cell parameters are:a=14.057Å,b=7.875Å,c=15.037Åandβ=115.45°,the general physicalchemical properties are also presented.展开更多
基金Supported by the“863”Plan from State Science and Technology Commission of China,and the National Natural Science Foundation of China.
文摘By using a 3-methoxy-4-hydroxy-benzaldehyde(MHBA)crystal as frequency doubler at room temperature,an efficient blue light output for near IR automatic tunable picosecond parametric laser is obtained,and blue-violet light output by frequency doubling of GaAlAs laser diode is also realized.A 404.5nm light,with output power of 3μW is generated from the 1W input power of a 809 nm GaAlAs laser diode on a MHBA crystal device which is 3 mm thick at the phase matching angles ofθ=90°,ψ=15°.
基金Supported by the National Natural Science Foundation(918700100).
文摘A prospective new organic material:3-methoxy-4-hydroxy-benzaldehyde(MHBA)with powder second harmonic generation efficiency 30 times as large as that of urea and the cutoff wavelength of 370nm is reported.MHBA belongs to monoclinic system space group P2_(1),and the unit cell parameters are:a=14.057Å,b=7.875Å,c=15.037Åandβ=115.45°,the general physicalchemical properties are also presented.