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美国国防远景研究计划局已经取消潜艇战略通讯用蓝绿色激光器两个最主要候选者之一的 XeC激光器研究。对喇曼频移 XeCl 激光器不再给与“阶段-2”研究经费。这种激光器过去已在通用电话电子公司西尔凡尼亚系统公司和诺士洛普公司作过研制。虽然,到期刊发稿时,第二阶段合同尚未公布,但明显的获胜者是溴化汞激光器。进行 HgBr 激光器研究的主要实验室是华盛顿州贝雷符的西北数学科学公司,其次是马萨诸塞州埃佛雷特的阿符科·埃弗雷特研究实验室。国防远景研究计划局仅同一个,而也只同这些竞争者之一谈判!潜艇通讯实力难测的竞争对手也已经出现了:
The US Defense Perspective Research Program has cancelled the research of XeC lasers, one of the two most important candidates for blue-green lasers for submarine strategic communications. The Raman frequency-shifting XeCl laser no longer gives research funding for Phase-2. Such lasers have been developed in the past by General Telephone Electronics, Inc., Silvinia Systems, and Northrops. Although, at the time of the publication of the journal, the second phase of the contract had not yet been announced, the obvious winner was a mercury bromide laser. The main laboratory for HgBr laser research was Northwestern Mathematical Sciences Inc. in Beirut, Washington, followed by the Axeco Everett Research Laboratory in Everett, Mass. The Defense Vision Research Bureau is only one and only negotiates with one of these competitors. Competitors with unpredictable strength in submarine communications have also emerged: