例句與造句

1. At the same time, a few higher-powered ( 120 mW ) 404 405 nm " violet " laser pointers have become available that are not based on GaN, but use DPSS frequency-doubler technology from 1-watt 808 nm GaAlAs infrared diode lasers.
2. However, a few higher-powered ( 120 mW ) 404 405 nm " violet " laser pointers have become available which are not based on GaN, but also use DPSS frequency-doubler technology starting from 1 watt 808 nm gallium arsenide infrared diode lasers being directly doubled, without a longer-wave neodymium laser interposed between diode laser and doubler-crystal.
3. It's difficult to find infrared diode laser in a sentence. 用infrared diode laser造句挺難的