Lead Selenide (PbSe) emerged 70+ years ago for its unique photoconductive sensitivity to the mid-wave infrared (MWIR) spectrum; however, new and exciting research continues to ignite interest in this material...

A novel benzene core photonic crystal fiber (BC-PCF) is proposed for plasma sensing applications. The proposed BC-PCF parameters have been tuned to gain high sensitivity, high numerical aperture (NA), and low confinement loss, and modality over the extensive variety of 0.7 m to 1.9 m wavelength. The explored results for the ideal structure have exhibited the high sensitivity up to 77.84% and negligible confinement loss of 7.9 × 10-3 dB/m at 1.3 m wavelength. The V-barometer remains under 2.405 over the whole working wavelength. So the proposed BC-PCF is a single mode fiber, which advances the long partition correspondence applications. Furthermore, high numerical aperture (NA) makes the fiber potential candidate in medical imaging applications. The plan of the sensor is to find out the creative potential outcomes in sensing applications.

The power loom industry is extremely important to our country’s economy: employs a large number of people, helping to alleviate rural poverty, and it is a growing source of government revenue. The aim of this research is to identify the prospects and production efficiency of power loom industry in Pabna, Bangladesh. To assist the aim, this study has been based on primary data collected from 52 power loom units between October and November in 2019 with the help of a structured questionnaire and face-to-face interview method. In this study, an econometric model of Cobb-Douglas production has been employed to measure the factors affecting the sales revenue and the efficiency of production in power loom industry. The estimated results confirmed that main determinants of increasing the production efficiency and sales revenue of power loom industry are quality yarn, skilled labour, machine and electricity. The efficiency parameter is obtained 2.653.