Abstract: Chaotic laser with a flat power spectrum up to 32.3 GHz has been generated by using a dual-wavelength optically injected Fabry–Pérot laser diode with optical feedback. The Fabry–Pérot laser ...

Nowadays, the population increases day by day. Road transport is used mostly. The most preferable road transport are Vehicles, containers, cars, etc., This paper primary goal is to supply safety to ...

The Iron Beam is the most advanced, operational laser in the world, though England, the US, and others have relatively advanced lasers.

RFID, GSM and IoT Based Smart Security System using esp32, mfrc522 and sim800l. arduino robotics esp32 arduino-ide iot-device rfid-rc522 sim800l gsm-module smart-security. Updated Apr 24, 2025; C++; ...