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Title: All About the Microcalorimeter
Url: https://imagine.gsfc.nasa.gov/educators/lessons/xray_spectra/backgroun...
Publisher: Goddard Space Flight Center
Description: This site explains why three percent is a fundamental limit of X-ray detectors that use the conventional method of conversion to electric charges, and if a higher spectral resolution is required astronomers have to choose a detector that relies on a completely different principle, such as a microcalorimeter. As a result of its different approach, the microcalorimeter provides ten times better spectral resolution for detecting emission lines of iron. There is a discussion of the science involved in the principle of the device and the practical construction including the need for an adiabatic demagnetization refrigerator (ADR).
LC Classification: Science -- Astronomy -- Astrophysics (General) -- Astronomical spectroscopy
Science -- Astronomy -- Descriptive astronomy -- Solar system -- Sun -- Other special topics, A-Z -- Solar x-rays
Science -- Astronomy -- Descriptive astronomy -- Stars -- Stellar spectroscopy -- Instruments and apparatus
Science -- Astronomy -- Study and teaching. Research
Science -- Astronomy -- Study and teaching. Research -- Outlines, syllabi
Science -- Physics -- Heat -- Calorimeters and calorimetry -- Special types of calorimeters, A-Z -- Microcalorimeter
Science -- Physics -- Study and teaching. Research
Science -- Physics -- Study and teaching. Research -- Outlines, syllabi
GEM Subject: Science
Science -- Physics
Science -- Earth science
Science -- Astronomy
Science -- Instructional issues
Science -- Physical sciences
Resource Type: Instructional Material
Instructional Material -- Lesson/Lesson Plan
Instructional Material -- Experiment/Lab Activity
Format: Document -- HTML
Audience: Educator
Education Level: High School
Higher Education
Higher Education -- Undergraduate (Lower Division)
Higher Education -- Technical Education (Upper Division)
Higher Education -- Technical Education (Lower Division)
Vocational/Professional Development Education
Language: English
Access Rights: Free access
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Source: DLESE
Full Record Views: 12
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