New optoelectronic devices for the Near and Mid-Infrared spectral range open completely new possibilities for portable sensors creation. Using infrared LED-PD optopairs allows developing an instrument that is smaller, less expensive and energy-saving.
LEDs and Photodiodes with Glass Covering
![](http://lmsnt.com/images/other/ledcg.png)
Comparison between standard LMSNT LED and LED with glass covering:
Comparison between standard LMSNT PD and PD with glass covering: