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公开(公告)号：US3591517A
公开(公告)日：1971-07-06
申请号：US3591517D
申请日：1969-02-12
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZIEL JAN P VANDER , UITERT LE GRAND G VAN
CPC classification number: H01S3/16
Abstract: TYPE II (THREE LEVEL) TRANSITION METAL LASERS (SUCH AS THOSE DEPENDENT ON CR3+) ARE CONVERTED TO THPE III (FOURLEVEL) BY COUPLING THE TRANSITION METAL ION TO AN APPROPRIATE RARE EARTH ION. SUITABLE RARE EARTH, INCLUDED AS CATIONS OF THE HOST COMPOSITION, INCLUDE CERIUM, EUROPIUM, TERBIUM, PRASEODYMIUM, AND YTTERBIUM.
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