By now the word laser is so common that it is a just an uncapitalised word accepted by major dictionaries [1][2]. There are also inflections (lased, lasing) [3]

By now the word laser is so common that it is a just an uncapitalised word accepted by major dictionaries [1][2]. There are also inflections (lased, lasing) [3]. Nobody spells it in all caps now. Likewise with radar and soon lidar. [1] https://www.lexico.com/definition/laser https://www.lexico.com/definition/laser [2] https://www.merriam-webster.com/dictionary/laser https://www.merriam-webster.com/dictionary/laser [3] https://www.lexico.com/definition/lase https://www.lexico.com/definition/lase