Fiber Analysis Lab

SEM Lab, Inc. can perform analysis, identification and characterization of a wide variety of fibers. Materials such as fabrics and hair can be examined for structure, weave and/or size.

Below are some examples of fiber analysis.

Fabric Comparisons

(Click on images to enlarge)


Low Quality fabric
Optical image of low Quality cotton fabric.
High Quality fabric
Optical image of high Quality cotton fabric.
Low Quality fabric
SEM image of low Quality cotton fabric.
High Quality fabric
SEM image of high Quality cotton fabric.
Low Quality fabric
EDS of low Quality cotton fabric.
High Quality fabric
EDS of high Quality cotton fabric.
Low Quality fabric
FTIR of low Quality cotton fabric.
High Quality fabric
FTIR of high Quality cotton fabric.


Fiber images can be used to measure the diameter of the fibers, which is important for grading of cashmere. Examples of optical and BSE SEM images of animal fiber are shown below. The high resolution of BSE SEM images is ideal for measurement of the fiber diameter.

Goat and Llama Fiber

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Cashmere and llama fibers
Optical image of mixed goat fiber (cashmere & guard hair) and llama wool.
Cashmere and llama fibers
SEM image of cashmere and llama wool.
Cashmere and llama fibers
SEM image of cashmere with measurement.

Polyester Thread

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Polyester thread
SEM image of polyester thread.