laser pointer 鐳射筆／激光筆

laser pointer
繁：鐳射筆／激光筆
简：镭射笔／激光笔

警方昨展示檢獲長18厘米的激光筆，並由警員即場示範其中一支，以少於1米近距離照射《警聲》報紙，約10秒後冒出少許白煙。李桂華形容此非坊間所稱的「雷射筆」，而是「高能量雷射槍」。

證物激光筆示範威力 警否認妨司法 未經鑑證稱「高能量」 律師：公眾觀感差（2019年8月8日）。明報，取自 https://news.mingpao.com/pns/要聞/article/20190808/s00001/1565202930766/

Hong Kong police have defended the arrest of a student leader for possessing 10 laser pointers by experimentally showing at a press conference on Wednesday how the beams they emitted could burn a hole in sheet of paper in 10 seconds.

Hong Kong police defend arrest of Baptist University student leader for possessing laser pointers, even as lawmaker and professors question evidence to prove motive of accused. (2019, August 7). South China Morning Post. Retrieved from https://www.scmp.com/news/hong-kong/law-and-crime/article/3021862/hong-kong-police-defend-arrest-baptist-university