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Blue and green laser oscillation method and device adopting the same

  • US 5,638,394 A
  • Filed: 05/01/1995
  • Issued: 06/10/1997
  • Est. Priority Date: 05/11/1994
  • Status: Expired due to Term
First Claim
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1. A laser generation method comprising the steps of:

  • pumping electrons of a first element to a first energy level by employing a first pumping energy, to thereby obtain an energy according to a first energy absorption; and

    pumping electrons of a second element to a second energy level higher than said first energy level by employing said energy as a pumping source and thereby obtaining light energy according to a second energy absorption.

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