Abstract
We propose a new device, based on an array of micromechanical
cantilevers, that measures both the wavelength and the optical power of
a laser source with constant efficiency over a large spectral interval
from the ultraviolet to the far infrared. To measure the
wavelength, the thickness of the cantilevers must vary linearly along
the array. The characteristics of this device are calculated, and
an example is given for the design of an array of Si cantilevers that
cover the 0.33–11-µm spectral range.
© 2000 Optical Society of America
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