The optical resonator is sometimes often called an "optical cavity", but this can be a misnomer: lasers use open up resonators rather than the literal cavity that would be utilized at microwave frequencies in a maser. อะไรที่ทำให้เลเซอร์ไฟเบอร์มีเอกลักษณ์เฉพาะจากเลเซอร์ประเภทอื่น? Potent laser is 'brightest light-weight from the universe'—The earth's most powerful laser as https://freemanh296vyb7.blog-a-story.com/profile