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Presents information on ways to construct an argon gas laser, which emits coherent light of several colors. Similarity of argon gas laser with helium-neon laser according to Sylvan Heumann of Hillsborough, California; Materials needed to construct the laser; Use of a vacuum system to the laser.

A patent has been issued for cauterization devices, methods, and systems by inventors from California. The patent, assigned to Boston Scientific Scimed Inc., describes a device with an elongated body that includes a port for discharging laser energy and a cauterization portion for discharging cauterization energy towards tissue. The device aims to simplify surgical procedures by combining laser and cauterization tools into one device. The patent also discusses a system that includes an endoscope and a cauterization device, as well as methods for using the device to cauterize tissue. [Extracted from the article]

The article features CVI Melles Griot, a leading global supplier of original equipment manufacturer (OEM) and fast turn catalog photonics products, located in Carlsbad, California. It mentions that the company has supported various spectroscopic techniques including semiconductor, interferometry, and velocimetry. It adds that the company offers major products and services including solid-state lasers, gas lasers, website and online ordering.