UVFS Optical Prisms Available Coating Brewster Angle Prism For Ultrashort Pulses

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Brewster Prism, Brewster Angle Dispersing Prisms For Ultrashort Pulses

Overview:

Brewster Prism is one kind of Dispersing Prism. They are designed to have an apex angle such that a p-polarized ray incident at Brewster’s angle will pass through the prism parallel to the base at minimum deviation, and exit also at Brewster’s angle. In this case surface reflection losses are negligible. Brewster Prisms are often used in situations where surface reflection losses cannot be tolerated.


Dispersing prisms are essential parts in most of ultrashort pulse laser systems. These prisms are used intracavity to compensate for dispersion of fixed cavity optics, such as active gain medium. But in most of cases they are used as extra-cavity elements to manipulate pulse characteristics.


Brewster Prisms are also frequently used to select a single wavelength from a multi-wavelength laser. Tuning is accomplished by tilting the prism. These prisms have very low surface reflection losses over the range 190-425 nm and are usable from 190-2500 nm.


General Specifications of Brewster Angle Dispersing Prism:

MaterialBK7, UV grade Fused Silica, SF11
Dimension Tolerance±0.2mm
Flatnessλ/4@632.8nm per 25mm
Angle Tolerance<5 arc minutes
Polished Surface

Two side surfaces polished

base fine ground

Surface Quality60/40scratch and dig
Clear Aperture>90%
ChamferProtective<0.5mm@45°
CoatingNo coating, available

Standard Products of Brewster Angle Dispersing Prism:

PN.Material

A

(mm)

L

(mm)

α(°)

Wavelength

(nm)

BRP1212-67-800N-BK712.712.767800
BRP2525-67-800N-BK725.425.467800
BRP1212-69-800UVFS12.712.769.1800
BRP2525-69-800UVFS25.425.469.1800
BRP1212-59-800SF1112.712.759800
BRP2525-59-800SF1125.425.459800


China UVFS Optical Prisms Available Coating Brewster Angle Prism For Ultrashort Pulses supplier

UVFS Optical Prisms Available Coating Brewster Angle Prism For Ultrashort Pulses

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