Diffraction spikes, visible in high-power astronomical images, are an intrinsic optical phenomenon in reflecting telescopes, primarily caused by the diffraction and subsequent interference of incoming ...

[The Thought Emporium] has been fascinated by holograms for a long time, and in all sorts of different ways. His ultimate goal right now is to work up to creating holograms using chocolate, but along ...

The optics of cylindrical lenses allow their use in applications for which spherical lenses are not suited. CVI Melles Griot has developed the technology for use in several markets. Cylindrical lenses ...