The laser at 50.
Fifty years after the first beam of coherent light shone out of a ruby crystal, lasers have expanded in every direction, ranging from as big as three football fields to as small as a few layers of atoms, producing wavelengths from deep in the X-ray regime to far into the infrared. Engineers are push...
| الحاوية / القاعدة: | IEEE spectrum 47, 5 (2010). |
|---|---|
| المؤلف الرئيسي: | |
| التنسيق: | مقال |
| اللغة: | English |