1-PLP-1-0220-1 BK7 Littrow prism, Al+SiO2 coated

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1-PLP-1-0220-1 BK7 Littrow prism, Al+SiO2 coated
Littrow prisms can also be used as retro-reflecting Brewster prisms, as shown in the picture. They are arranged to that a beam entering at the Brewster angle falls normal to the flat surface and is reflected back along the same path. They are useful in laser cavities where the wavelength of the return beam can be selected by tilting the prism slightly. In this way the gain of the cavity can be tuned to a specific laser line.
Traitements Al+SiO2 coated
Material BK7
Delivery 2-4 weeks
Description

Détails

Littrow prisms can also be used as retro-reflecting Brewster prisms, as shown in the picture. They are arranged to that a beam entering at the Brewster angle falls normal to the flat surface and is reflected back along the same path. They are useful in laser cavities where the wavelength of the return beam can be selected by tilting the prism slightly. In this way the gain of the cavity can be tuned to a specific laser line.
Fonctionnalités
  • Uncoated prisms can be used to disperse the light into spectrum
  • Aluminium coated (B face) prisms diverts the beam at a 60deg angle without inverting or reverting the image