RUMORED BUZZ ON เลเซอร์

Lasers can even have higher temporal coherence, which permits them to emit mild with an exceptionally slender frequency spectrum. Temporal coherence can be made use of to generate ultrashort pulses of light that has a wide spectrum but durations as short as an attosecond.[seven]แสงเคลื่อนที่เป็นคลื่น แ�