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S&P 500 constituent Avago Technologies Ltd. (NASD:AVGO) acquired Broadcom. S&P MidCap 400 constituent Federal Realty Investment Trust (NYSE:FRT) replaced Broadcom Corp. (NASD:BRCM) in the S&P 500. [273] January 27, 2016: POOL: Pool Corporation: BMR: BioMed Realty Trust: Private equity firm Blackstone Real Estate Partners acquired BioMed Realty ...
This page was last edited on 30 July 2024, at 05:30 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Mid-Infrared_Advanced_Chemical_Laser&oldid=207408454"
To allow mid-infrared observations within the JWST, the MIRI instrument has an additional cooling system. It works roughly similar to how most refrigerators or an air-conditioner works: a fluid is brought down to a cold temperature in the warm section, and sent back to the cold section where it absorbs heat, then it goes back to the condenser.
A cryogenic processor is a device engineered to reduce the temperature of an object to cryogenic levels, typically around −300°F (−184.44°C), at a moderate rate in order to prevent thermal shock to the components being treated. The inception of commercial cryogenic processors dates back to the late 1960s, pioneered by Ed Busch. [1]
The mid-infrared, approximately 4,000–400 cm −1 (2.5–25 μm) is generally used to study the fundamental vibrations and associated rotational–vibrational structure. The far-infrared, approximately 400–10 cm −1 (25–1,000 μm) has low energy and may be used for rotational spectroscopy and low frequency
Nitrogen is a liquid under −195.8 °C (77.3 K).. In physics, cryogenics is the production and behaviour of materials at very low temperatures.. The 13th International Institute of Refrigeration's (IIR) International Congress of Refrigeration (held in Washington DC in 1971) endorsed a universal definition of "cryogenics" and "cryogenic" by accepting a threshold of 120 K (−153 °C) to ...
In 1990, the company acquired the industrial infrared imaging group of Hughes Aircraft Company. [12] In June 1993, the company became a public company via an initial public offering, raising $12 million. [13] [14] In January 1998, the company acquired Agema Infrared System of Sweden for approximately $80 million. [15] [16]