Dispersing Prisms

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9024222 Angle: 55.9deg
AxL: 25x20mm
Coatings: uncoated.
Comments: nuskilęs kampas
Material: N-SF66
Protective chamfers on the grinded side: 0.2-0.4mm @ 45 deg
S1 Flatness, PV IR S2 Flatness, PV: L/4
Surface quality: 40/20
Comment: Two faces polished;
1
€320.00
9326982 Angle tolrenace: <2 arcmin
AR coatings: uncoated
Clear aperture: >80
Dimensions A x L, mm: 25 x 25
Dimensions tolerance, mm: +0/-0.2
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: BK7
Surface quality, S-D: 40-20
6
€56.00
9374477 Angle tolerance: ±2 arcmin
AR coatings: Uncoated
Clear Aperture: >80
Dimensions A x L, mm: 12.7 x 12.7 (+0/-0.2)
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: UVFS
Protective chamfers: 0.1-0.25 mm x 45°
Surface quality, S-D: 40-20
4
€71.00
9379397 Angle tolerance: ±2 arcmin
AR coatings: Uncoated
Clear Aperture: >80
Dimensions A x L, mm: 25.4 x 25.4 (+0/-0.2)
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: BK7
Protective chamfers: 0.1-0.25 mm x 45°
Surface quality, S-D: 40-20
2
€59.00
9390299 Angle tolerance: ±3 arcmin
AR coatings: uncoated
Clear aperture: >80
Cone angle: 68.7deg.
Dimensions A x L, mm: 15.1 x 10
Dimensions tolerance, mm: +0/-0.2
Material: UVFS
Surface quality, S-D: 20-10
2
€54.00
9409610 Angle tolerance: <2 arcmin
AR coatings: 700-900
Clear aperture: >80
Dimensions A x L, mm: 15 x 15
Dimensions tolerance, mm: +0/-0.2
Material: BK7
Surface quality, S-D: 20-10
2
€388.00
9427092 Angle: 57.7 deg
AR coatings: uncoated
Clear aperture: >80
Dimensions A x L, mm: 20,72 x 20.72
Dimensions tolerance, mm: +0/-0.2
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: N-SF57
Pyramidal error: >3 arcmin
Protective chamfers: 0.2-0.4 mm x 45°
Surface quality, S-D: 40-20
1
€406.00
9428602 Angle tolerance: ±3 arcmin
AR coatings: uncoated
Clear aperture: >80
Dimensions A x L, mm: 20 x 20
Dimensions tolerance, mm: ±0.1
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: UVFS
Surface quality, S-D: 40-20
3
€45.00
9428612 Angle tolrenace: <2 arcmin
AR coatings: uncoated
Clear aperture: >80
Comments: Big chamfers. TO-PR68.7W1C0DJJ
Dimensions A x L, mm: 20 x 20
Dimensions tolerance, mm: +0/-0.2
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Material: UVFS
Surface quality, S-D: 40-20
1
€45.00
9431703 Apex angle: 69.1 deg.
AR coatings: uncoated
Dimensions A x L, mm: 10 x 30
Dimensions tolerance, mm: +0/-0.2
S1 Flatness, PV IR S2 Flatness, PV: <5λ @ 632.8 nm
Material: UVFS
Surface quality, S-D: 20-10
1
€113.00
9431773 Angle tolerance: <2 arcmin
Apex angle: 69.1 deg.
AR coatings: uncoated
Clear aperture: >80
Dimensions A x L, mm: 40 x 30
Dimensions tolerance, mm: +0/-0.2
S1 Flatness, PV IR S2 Flatness, PV: <λ/5 @ 632.8 nm
Material: UVFS
Surface quality, S-D: 20-10
1
€263.00
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Dispersing prisms have three 60° angles therefore they are also referred to as equilateral prisms. It provides advantage over diffraction gratings where higher orders diffraction effect is unwanted. Typical applications is wavelength angular separation, where the prism is placed in a beam path to refract the beam twice. Common scheme is to use the prism in minimal deviation angle, which is achieved by aligning the wavelength of interest to travel in parallel to the prism base. This ensures, that angles of incident and refracted beams are equal in respect to corresponding surfaces. This alignment provides benefit of maximum clear aperture and least overall reflection loss for p-polarization.

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