Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application.
Achromatic Waveplate Achromatic Waveplates(Retarders), AWP is composed of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2.
Barium fluoride (BaF2) shows good optical transmission over UV-IR windows in 0.15μm~12.5μm.
MgF2 windows are used in the UV, visible and IR ranges, with approximately 94% transmission from 200 - 1000 nm, and approximately 95% transmission from 1-6µm
CaF2 has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. 1. Low absorption coefficient 2. High damage threshold, 3. Low Dispersion (with an Abbe Number of 95) 4. Low fluorescence 5. Excellent water, chemical, and heat resistance
product orgin:
Chinashipping port:
Fuzhou Chinapayment:
T/T Payment, Western UnionLiNbO3 and MgO-LiNbO3 Nonlinear Crystal
LiNbO3 (Lithium Niobate) crystal is widely used as frequency doublers for wavelength > 1mm and optical parametric oscillators (OPOs) pumped at 1064 nm. Due to its large electro-optic and acousto-optic coefficients.
MgO:LiNbO3 (Magnesium Oxide Doped Lithium Niobate) crystal has similar effective nonlinear coefficients to pure LiNbO3 and exhibits higher optical damage threshold.
LiNbO3 Crystal Advantages:
1. Large Nonlinear Optical (NLO) Coefficients
2. High mechanical and chemical stability
3. Large electro-optic and acousto-optic coefficients
4. Wide transparency range
5. High optical homogeneity
LiNbO3 Crystal Applications:
1. Pockels Cells
2. Q-switches
3. Phase modulators
4. Surface acoustic wave(SAW) wafers
LiNbO3 and MgO-LiNbO3 Crystal SPECIFICATION:
Aperture:
1-15 x 2-15mm
Lenght:
2 - 50mm
Cutting Angle q and f:
Determined by different kinds of homonic generartion
Phase matching type:
Type I or Type II
Angle tolerance:
Δθ< ± 0.5°; Δφ< ±0.5°
Dimensional Tolerance:
(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness:
<λ/8 at 633nm
Surface Quality:
20/10 Scracth/Dig
Parallelism:
< 30 arc seconds
Perpendicularity:
< 10 arc minutes
Wavefront Distortion:
<λ/8 at 633nm
Clear Aperture:
>90%
Chamfer:
0.15x45°
Coating:
AR @ wavelegth specified by customer
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