WHAT DOES เลเซอร์ MEAN?

การใช้เทคโนโลยีเลเซอร์โซลิดสเตตในภาคส่วนThus this type of attain medium have to have a attain bandwidth sufficiently wide to amplify Those people frequencies. An example of an appropriate material is titanium-doped, artificially developed sapphire (Ti:sapphire), which h