Packed with practical knowledge! Learn about the invention, current status and trends of quantum cascade lasers

Benefiting from the development of semiconductor materials and the emergence of quantum well lasers, Soviet scientists Kazarinov R. and Suris R. put forward the concept of Quantum Cascade Laser (QCL)

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How to Do a Good Job in Anti-Corrosion of Chemical Instruments? An Inventory of Daily Anti-Corrosion Maintenance Methods for Chemical Instruments

An important feature of modern chemical production is the large-scale and high degree of automation of production equipment. Automation is a basic condition and important guarantee for the safe operat

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Analysis, detection, imaging... Lasers can do it all. An article summarizing infrared solutions for laser research and development

This article introduces infrared solutions in laser processing and laser研发 (research and development), including processes such as beam quality analysis, fiber laser temperature detection, thermal i

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Graphic explanation of the installation of electromagnetic, ultrasonic and other flowmeters and their precautions

How should flowmeters be installed? What precautions are there? Next, the editor will select 3 commonly used flowmeters for discussion, analyzing their advantages, disadvantages, installation details,

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Laser display has achieved a "zero" breakthrough, making drawing out of thin air no longer a dream. What other applications does laser have?

"No paper or ink is needed; a beam of light can also draw out of thin air," said Cao Xiangdong, director of the laboratory. The team's newly developed high-energy, high-peak-power femtosecond laser, w

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Five Measures, Shang Yang Sheng, "Quanheng"... An Overview of Ancient Chinese Measuring Tools and Their Evolutionary History

What were the measuring tools in different periods? What was the most special tool? What kind of evolution did they go through?...

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