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    • 3. 发明申请
    • OPTICALLY PUMPED SOLID-STATE LASER AND LIGHTING SYSTEM COMPRISING SAID SOLID-STATE LASER
    • 包括固体激光器的光学抽吸固体激光和照明系统
    • US20120020073A1
    • 2012-01-26
    • US13258618
    • 2010-03-15
    • Ulrich WeichmannCornelis Reinder RondaJoachim OpitzPeter Josef Schmidt
    • Ulrich WeichmannCornelis Reinder RondaJoachim OpitzPeter Josef Schmidt
    • F21V9/00H01S5/02
    • H01S3/16H01S3/1605H01S3/1606H01S3/1613H01S3/1615H01S3/1616H01S3/163H01S3/164
    • The invention relates to a solid-state laser device (1) comprising a gain medium (10) essentially having a main phase of a solid state host material (15) which is doped with rare-earth ions. According to the invention at least a portion of the rare-earth ions are Ce3+-ions (19) with at least one 4f-state (16, 17) and at least one 5d-band (18) energetically between the highest valence state and the lowest conduction state of the host material (15), wherein the highest 4f-state (17) and the bottom edge of the 5d-band (18) have a first energy-level distance (Δ1) and the lowest 4f-state (16) and the upper edge of the 5d-band (18) have a second energy-level distance (Δ2), wherein the host material (15) is selected such that the resulting gain medium (10) has an energy range (20) devoid of unoccupied states for disabling excited state absorption, the energy range (20) is located between a lower energy (21) which is by the value of the first energy level distance (Δ1) above the bottom edge of the 5d-band (18) and a higher energy (22) which is by the value of the second energy level distance (Δ2) above the upper edge of the 5d-band (18). The invention further relates to a corresponding lighting system comprising at least one solid-state laser device (1).
    • 本发明涉及一种固态激光器件(1),其包括基本上具有掺杂有稀土离子的固态主体材料(15)的主相的增益介质(10)。 根据本发明,稀土离子的至少一部分是Ce 3+(19),其具有至少一个4f状态(16,17)和至少一个5d带(18),其处于最高价态和 主体材料(15)的最低导通状态,其中最高4f状态(17)和5d带(18)的底边具有第一能级距离(&Dgr; 1)和最低4f- 状态(16)和5d带(18)的上边缘具有第二能级距离(&Dgr; 2),其中选择主体材料(15)使得所得增益介质(10)具有能量 (20)不具有用于禁用激发态吸收的未占用状态,所述能量范围(20)位于较低能量(21)之间,所述较低能量(21)是所述第一能量级距离(&Dgr; 1) 5d带(18)和较高能量(22),其以5d带(18)的上边缘之上的第二能级距离(&Dgr; 2)的值。 本发明还涉及一种包括至少一个固体激光装置(1)的对应照明系统。