The optical resonator is typically known as an "optical cavity", but this is a misnomer: lasers use open resonators instead of the literal cavity that could be employed at microwave frequencies within a maser. อะไรที่ทำให้เลเซอร์ไฟเบอร์มีเอกลักษณ์เฉพาะจากเลเซอร์ประเภทอื่น? Lasers can be a hazard to both civil and armed service aviation, due to the https://conanc074oru5.bloggip.com/profile