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Compare Description Drawings, CAD & Specs TransmissionSizeMaterial Avail. Price
Brewster Angle Dispersing Prisms for Ultrashort Pulses06LK10370–2000 nm15 x 15 x 15 mmN-LaK21 or equivalent
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$290
Brewster Angle Dispersing Prisms for Ultrashort Pulses06SB10185–2100 nm15 x 15 x 15 mmUV Grade Fused Silica
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$339
Brewster Angle Dispersing Prisms for Ultrashort Pulses06SF10370–2000 nm15 x 15 x 15 mmN-SF10
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$290
Brewster Angle Dispersing Prisms for Ultrashort Pulses10LK10370–2000 nm25 x 25 x 25 mmN-LaK21 or equivalent
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$668
Brewster Angle Dispersing Prisms for Ultrashort Pulses10SB10185–2100 nm25 x 25 x 25 mmUV Grade Fused Silica
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$499
Brewster Angle Dispersing Prisms for Ultrashort Pulses10SF10370–2000 nm25 x 25 x 25 mmN-SF10
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$513

Specifications

  • Apex Angle
    LK10: 63.00°
    SB10: 69.06°
    SF10: 60.60°
  • Antireflection Coating
    Uncoated
  • Surface Quality
    40-20 scratch-dig
  • Surface Flatness
    ≤λ/10 at 632.8 nm over the clear aperture
  • Clear Aperture
    ≥90% of face
  • Size Tolerance
    +0/-0.25 mm
  • Chamfers
    0.5 mm face width
  • Chamfers Angle Tolerance
    45° maximum
  • Cleaning
    See How to Clean Optics

Features

High Quality Brewster's Angle Prisms

The quality of the prism material, accuracy of the angle, and fabrication tolerances ultimately impact ultrafast laser performance. Newport's prisms are made from only precision quality material, with tightly toleranced prism angles, and λ/10 surface flatness. The prism apex angle is precisely fabricated at Brewster’s angle to minimize Fresnel losses.

UV Fused Silica Dispersing Prisms

Fused silica prisms provide group velocity dispersion of 360 fsec2/cm at 800 nm.

LaK21 Optical Glass Dispersing Prisms

LaK21 glass prisms provide 600 fsec2/cm of second order dispersion at 800 nm.

Prism Compressor for Ultrashort Pulses

Two identical Brewster Angle Prisms and a folding mirror are used to create an ultrafast prism compressor. Prisms are the optics of choice for intracavity dispersion compression. For more information on how to select the proper prism material and the associated calculations for compression, please see Application Note 29. See the parts list of the shown setup example below.

Part No Description Quantity
25 mm UVFS Prism 2
Ultima Gimbal Mount 2
1.0 in. Optical Pedestal 2
Fork Clamp 2
Linear Stage 2
Vernier Micrometer 2
1.0 in. Silver Mirror 1
Ultima Mirror Mount 1
D Shape Silver Mirror 1
Edge Grip Mirror Mount 1
0.5 in. Optical Post 2
Slotted Base Post Holder 2

SF10 Dispersing Prisms

SF10 glass prisms provide group velocity dispersion of 1600 fsec2/cm at 800 nm.

15 mm or 25 mm Sized Brewster Angle Prisms

Two sizes are available in each material: 25 mm and 15 mm. The 25 mm prism provides more material for light to propagate through and hence offers more flexibility when used for beam displacement. The 15 mm prism is ideal in environments with space constraints.

The Brewster Apex angle is dependent on material and is listed below.

Material Apex Angle
Fused Silica 69.06°
N-LaK21 63.00°
N-SF10 60.60°

Accessories

Compare Description Drawings, CAD & Specs Avail. Price
M1-PTM1 Prism Mount, 2 Knob Actuators
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$146
UGP-1Gimbal Prism Mount, ULTIMA®, 1 in., 100 TPI Adjustment Screws
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$457
9411Prism Mount, 0.25 to 1.00 in., ±5 °, 8-32
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$504
9481Prism Mount, Pint-Sized, 0.25 to 1.00 in., ±3.5°, 8-32
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$498

Resources

Selection Guides

Technical Notes

Literature

Application Notes

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