Penta Angle Prisms are widely used in laser level, Image system, precision system, and optical area. For penta prism, the deviation angle of 90° is independent of the orientation of the prism, thus it ...

Alongside our vast range of UV Fused Silica Right-Angle Prisms (in stock and custom-made varieties and for use for wavelengths down to 175nm), we also offer a range of BK7 (or equivalent) Right-Angle ...

Prisms are commonly used in spectroscopy for dispersing or controlling the direction or polarisation of light. This can be helpful for splitting the incoming light into its wavelength components to ...

THERE are two criteria for estimating the value of Dr. Silberstein's latest work. On one hand it possesses great theoretical interest, yet on the other it lays claim to practical usefulness. One must ...

THIS useful book on geometrical optics has been enlarged and improved by the addition of two new chapters. One of these deals with the microscope considered as being more or less typical of optical ...