Starting from the data obtained recently,that the crystal yttrium aluminum borat e(NAB)is an ideal material for LD pumped microchip laser is demonstrated.Coopera ting with Material Physics Department of Autonoma Unive...Starting from the data obtained recently,that the crystal yttrium aluminum borat e(NAB)is an ideal material for LD pumped microchip laser is demonstrated.Coopera ting with Material Physics Department of Autonoma University of Madrid,Ti:sappir e laser was used to simulate laser diode to pump a NAB crystal sample of 0.3mm t hickness.For incident pump power of 375mW,laser output power at 1.064μm reach 1 57mW with optical to optical efficiency as high as 42%.The corresponding effici e ncy at 1.341μm is 25%.Output laser beams belong to TEM 00 mode.The thresho ld of laser oscillation at 1.064μm were 13,18,30,100 and 140mW for output mirr ors with transmittance of 0.36%,1%,2%,4% and 6% respectively.NAB crystal has a wide and flat absorption band with half high width of 45nm for pump light and so th e temperature shift of the laser diode wavelength will not affect the pumping effi ciency.All the advantages mentioned show the this crystal is obviously an ideal material for LD pumped microchip laser. Therefrom,the possible application of a series of self ativated laser crystal developed in the seventies years 20th century will be discussed in the case of L D lasers have been well developed.展开更多
一年一度的世界最大的电子媒体展览(The World's Largest Electronic Media Show)--NAB于2006年4月22日至4月27日在美国拉斯维加斯举行.2006年的NAB展会达到了空前的规模参加厂商达到了1400余家,参观人数超过了10万人.NAB的展厅布局...一年一度的世界最大的电子媒体展览(The World's Largest Electronic Media Show)--NAB于2006年4月22日至4月27日在美国拉斯维加斯举行.2006年的NAB展会达到了空前的规模参加厂商达到了1400余家,参观人数超过了10万人.NAB的展厅布局和以往相同,大的区域可分为北展厅(NorthHall)中展厅(CenterHall)、南展厅(SouthHall)和外场设备展厅(OutdorHall).其中北展厅以音频制作相关的设备.中厅是以视频器材、灯光及相关外围设备展示为主.南厅展示的是多媒体、电影、新形态视频的多种设备.展开更多
文摘Starting from the data obtained recently,that the crystal yttrium aluminum borat e(NAB)is an ideal material for LD pumped microchip laser is demonstrated.Coopera ting with Material Physics Department of Autonoma University of Madrid,Ti:sappir e laser was used to simulate laser diode to pump a NAB crystal sample of 0.3mm t hickness.For incident pump power of 375mW,laser output power at 1.064μm reach 1 57mW with optical to optical efficiency as high as 42%.The corresponding effici e ncy at 1.341μm is 25%.Output laser beams belong to TEM 00 mode.The thresho ld of laser oscillation at 1.064μm were 13,18,30,100 and 140mW for output mirr ors with transmittance of 0.36%,1%,2%,4% and 6% respectively.NAB crystal has a wide and flat absorption band with half high width of 45nm for pump light and so th e temperature shift of the laser diode wavelength will not affect the pumping effi ciency.All the advantages mentioned show the this crystal is obviously an ideal material for LD pumped microchip laser. Therefrom,the possible application of a series of self ativated laser crystal developed in the seventies years 20th century will be discussed in the case of L D lasers have been well developed.
文摘一年一度的世界最大的电子媒体展览(The World's Largest Electronic Media Show)--NAB于2006年4月22日至4月27日在美国拉斯维加斯举行.2006年的NAB展会达到了空前的规模参加厂商达到了1400余家,参观人数超过了10万人.NAB的展厅布局和以往相同,大的区域可分为北展厅(NorthHall)中展厅(CenterHall)、南展厅(SouthHall)和外场设备展厅(OutdorHall).其中北展厅以音频制作相关的设备.中厅是以视频器材、灯光及相关外围设备展示为主.南厅展示的是多媒体、电影、新形态视频的多种设备.