diode laser คือ - An Overview
Solitary-manner LDs like VCSELs are broadly Utilized in optical fiber communications, especially in knowledge transmitters. In some instances, the info modulation is completed immediately by means of the generate recent.ผู้ที่ต้องการลดปัญหาขนคุด ตุ่มหนังไก่ รูขุมข