Optical characteristic measuring systems and methods such as for
determining the color or other optical characteristics of teeth are
disclosed. Perimeter receiver fiber optics preferably are spaced apart
from a source fiber optic and receive light from the surface of the
object/tooth being measured. Light from the perimeter fiber optics pass to
a variety of filters. The system utilizes the perimeter receiver fiber
optics to determine information regarding the height and angle of the
probe with respect to the object/tooth being measured. Under processor
control, the optical characteristics measurement may be made at a
predetermined height and angle. Various color spectral photometer
arrangements are disclosed. Translucency, fluorescence, gloss and/or
surface texture data also may be obtained. Such methods and implements may
be desirably utilized for purposes of detecting and preventing
counterfeiting. Low cost and small form factor spectrometers, and methods
for manufacturing the same, also are disclosed.