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9 results on '"LASER pumping"'

1. The sub-micron semiconductor challenge.

Author

Hurst, Aaron

Subjects
SEMICONDUCTORS, NEAR-field microscopy, OPTICAL materials, LASER pumping, QUANTUM dots, FEMTOSECOND lasers
Abstract

This article explores the challenges faced in inspecting and measuring semiconductors at sub-micron and nanoscale levels. Traditional methods are proving inadequate, leading to the adoption of photonics-based solutions such as photonic microscopy, ellipsometry, interferometry, scatterometry, and spectroscopy. Pulsed lasers and femtosecond lasers are also being used for material characterization and quality control. The article emphasizes the significance of alignment in wafer measurement and the need for alternative technologies to enhance inspection and defect characterization. It also discusses the impact of defects on semiconductor device performance and functionality, highlighting the importance of understanding and mitigating these issues for improved reliability and efficiency. The article is a valuable resource for library patrons researching semiconductors and their applications. [Extracted from the article]

Published
2024

2. Light innovations head west.

Subjects
INFRARED detectors, SEMICONDUCTOR lasers, ARTIFICIAL neural networks, OPTICAL communications, ULTRA-short pulsed lasers, LIGHT filters, LASER pumping, DIELECTRIC thin films, OPTICAL coatings
Published
2023

3. LATEST PRODUCT UPDATE.

Subjects
OPTICAL sensors, OPTICAL parametric oscillators, OPTICAL communications, ELECTRONIC equipment, FREE-space optical technology, OPTICAL communications equipment, LASER pumping, OPTICAL amplifiers
Published
2023

4. LATEST PRODUCT UPDATE.

Subjects
TUNABLE lasers, LASER pumping, INDUSTRIAL lasers, BLUE lasers, FEMTOSECOND lasers, SEMICONDUCTOR lasers
Published
2023

5. Influence of HbCO Structure of the Bar-Headed Goose on Photolysis Thermodynamics as Studied by the Nanosecond Laser-Ultrasonic Technique.

Author

Jin-yu ZHAO, Jia-huang Li, Zheng ZHANG, Shu-yi ZHANG, Min Qu, Zi-qian HUA, Xiu-ji SHUI, and Zi-chun HUA

Subjects
BAR-headed goose, SWAN goose, HEMOGLOBINS, LASER pumping, PHOTOLYSIS (Chemistry), ENTHALPY, CALORIMETRY, INTERNAL energy (Thermodynamics)
Abstract

The article discusses a study to investigate the structural differences in hemoglobins (Hbs) of the bar-headed goose and the Chinese goose. In the study, photolysis dynamic parameters including quantum yield, enthalpy and conformational volume changes in carboxy-Hbs (HbCO) were investigated with the help of laser pumping technique and photoacoustic calorimetry. It shows smallest change in internal energy in bar-headed goose during dissociation or association of Hb.

Published
2013
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6. To manage it, you have to measure it.

Subjects
OPTICAL parametric amplifiers, TOUCH screen interfaces, LASER pumping, DYE lasers, DIFFERENTIAL absorption lidar, LIGNITE, LANDFILL gases
Published
2022

8. Hyperspectral takes centre stage.

Subjects
OPTICAL parametric oscillators, HYPERSPECTRAL imaging systems, INFRARED imaging, LASER pumping, IMAGING systems, BOSE-Einstein condensation
Published
2019

9. Commercial products.

Subjects
COMMERCIAL products, ATOMIC physics, LIGHT filters, LASER pumping, NEUTRAL density filters
Published
2019

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