Comprehension and usage of ordinary terminologies for laser taking peak power as example

For the consistency with the national standard and ISO international standard on laser vocabulary and symbols, this paper discusses the comprehension and usage problems of some ordinary terminologies for laser. The paper oppugns the misuse between pulse power and peak power often used in certain papers published in science and technology magazines as well as academic monographs, meanwhile indicates the other improper phenomenon in writing papers, analyzes the reason of misuse and gives the canonical usage direction. Finally, we propose the modified advisement and suggestion on a pulse laser standard definition accoding to physical resonant process of the pulse laser.