The part of the electromagnetic spectrum that is of interest in the laser field starts from
the submillimeter wave region and goes down in wavelength to the x-ray region. This covers
the following regions in succession: (1) far infrared; (2) near infrared; (3) visible; (4)
ultraviolet (uv); (5) vacuum ultraviolet (vuv); (6) soft x-ray; (7) x-ray. Draw a chart (to the
scale) indicating all the regions in the units of (i) Angstroms, (ii) Hertz, (iii) electron volts
(ev), and (iv) meters.
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