In this paper, the “DiPho” (Digital Photodiode) device is described. The device is used for quick verification measurements and performance monitoring of photonic sources used in quantum physics experiments. DiPho was designed as a stack of two printed circuit boards (PCB) – one contains the detection element, a silicon PIN photodiode, and analog front-end, while the other contains the necessary digital circuitry. The core of the analog front end is a programmable-gain trans-impedance amplifier which was designed to be capable of measuring photocurrents in the range of 10μA to 10mA. DiPho provides analog measurement output via SMA connector and digital data output via USB serial interface. Moreover, support for single-pair Ethernet (SPE) communication is planned.
The article discusses a system prototype's project concept and technical construction (Intelligent Data Acquisition Module - IDAM). The IDAM system will enable the receipt of data from camera traps using the MMS, SMS, e-mail, and FTP standard. It ensures the integration of various types of wildlife camera traps owned by the Border Guard with the possibility of adding other sensors with standard input/output ports. It will be a fully scalable system based on innovative IT solutions with a cyber security module ensuring encryption at the interface between an open GSM network and the Internet, an internal data processing and communication system. Independent secure, and resistant to jamming communication channels are also presented.
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