第9届全国红外科技交流会于1990年12月3日至5日在昆明召开,历时三天,获得圆满成功。来自全国各地60多个单位的专家和论文作者代表近200人出席了会议。还有50多篇论文的作者因年终工作忙或其他原因未能到会,而以书面形式参加了交流,论文已在会前收入了会议论文集。所以,本届会议的规模实际达到250人,超过了历届会议。从论文的数 The 9th National Seminar on Infrared Technology was held in Kunming from December 3 to December 5, 1990 and lasted for three days with a complete success. Nearly 200 people attended the conference on behalf of experts and dissertation authors from more than 60 units across the country. More than 50 authors of the dissertation were interviewed in written form for failing to attend due to busy year-end work or for other reasons. The dissertation has already collected conference proceedings before the meeting. Therefore, the actual size of this session has reached 250, surpassing previous sessions. Number of papers