Below are some cool images I have gathered during my career in optics -
this will eventually contain lots of stuff for your enjoyment.
Coupler Showing Newton's Rings
This is a polarization-preserving optical fiber coupler, showing adhesiveless "optical
contact bonding" in the central clear region. 
Poincare Sphere representing the
state of polarization evolution along a single-polarization fiber. The generally
elliptically-polarized light eventually becomes linear as it propagates down the
Adjustable fiber resonator
made from single-polarization fiber, showing the optical transfer function vs.
laser wavelength. 
Breadboard resonator gyro
This example shows (from front to back) a fiber resonator, polarizers, isolators,
couplers, polarizers, phase modulators, and integrated optic circuits. Laser
source, detectors, and electronics are not shown. 
World's Largest Resonator
The Tacoma-Narrows bridge (700 kB MPEG video)
Fiber Optic Jesus
I saw this online somewhere. Made from holy fiber. 
Sources and Credits
 MIT Thesis. Reproduced with Permission of the Author.
 The Charles Stark Draper Lab, Inc. Reproduced with Permission.
 As immortalized by the indy band "The Flaming Lips".
Copyright © 2001 by Silicon Valley Photonics, Ltd. All rights reserved.