Abstract: An open-cavity optical fiber gas pressure sensor based on the Vernier effect is proposed. The sensor consists of two Fabry-Perot interferometers (FPIs) connected in parallel. As a sensing ...

Abstract: This letter presents a precision low-noise sensor readout system with a bipolar junction transistor (BJT)-input-based amplifier and a high-input-impedance delta–sigma analog-to-digital ...

HOLYOKE — Voices and music soon will be clearer at Holyoke High School North, as the district plans to upgrade the auditorium’s sound system. The district is using $120,000 in state Fair Share ...

Modern televisions and sound systems are amazing pieces of technology. But they can also be overwhelming with so many ports, confusion over HDMI cables, and format protocols that can leave even the ...