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Faraday Rotator Elements/ Magnetic Optical Elements(in stock)

Model No.︰-
Brand Name︰AOFA
Country of Origin︰China
Unit Price︰-
Minimum Order︰1 pc
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Product Description

Faraday Rotator Elements in Stock for 980nm and 1064nm optical isolators

Diameter 3.15+0.00/-0.05mm,length 11.00+0.00/-0.20mm

MR3-2 material, Verdet constant: -0.108min/Oe-cm at 1064nm

Optical Specifications
1. Absorption coefficient at 1064 nm: < 0.002 per cm
2. Max. inclusion size: < 0.040 mm
3. Max.total inclusion cross section: < 0.08 mm*2 per 100 cm*3
4. Surface quality: 10-5 S/D
5. Flatness: λ/ 10 at 633 nm
6. Parallelism: < 30 arc seconds
7. Extinction ratio to perpendicular polarization (stress birefringence): > 45dB
8. Clear aperture: 90 %
9. Edge chamfer: < 0.10mm X 45 degree
10. No coating, transmission: ≥ 86 % at 1064nm
11. Fine grind for other surfaces: < 30 micron
12. Bulk laser damage threshold: > 25 (J/cm2) 10ns, 1064 nm
13. AR/AR coating: R<0.20%
14. Laser damage threshold for caoting: > 5J/cm*2,10ns,1064nm

Specifications︰MR3-2 Glass
At 20 ℃ temperature
Verdet Constant -0.33min/Oe*cm or -96rad/T*m at 632.8 nm
Verdet Constant -0.11 min/Oe*cm or -31.4 rad/T*m at 1064 nm

Transmission window:400nm-1600nm

Refractive indices
ND=1.7441
Nd=1.7442
NF=1.7544
Nc=1.7400
N1064=1.7178

Optical Quality(△n) /cm < 1x10*-6.

Abbe number:
VD=52.50
Vd=51.50

Nonlinear refrective index n2 (x10*-13 e.s.u.)=2.74

Figure of merit V632.8 (nd/n2)=0.62

Density (g/cm*3):4.95

Transformation temperature Tg: 790℃

Sag temperature Ts: 825℃
Coeff.of linear thermal expansion:
0 - 300℃ (10*-7/℃)=62.6
100 - 300℃ (10*-7/℃)=68.2
Transparence rate T% ≥ 86% (Uncoated)
Transparence rate T% ≥ 98% (Coated)

Absorption coefficients < 0.002/cm at 1064nm.

Thermal conductivity=48.10/ ℃(0-100 ℃)

dv/dt=0.0016(0-40 ℃)
dv/dt=0.0006(40-80℃)

Bulk laser damage threshold > 25 (Joules/cm*2) 10 ns pulse width at 1064 nm

Chemical properties (Wt 10ss%)
DW (H2O, 100℃,1 hour )=0.001
DA (0.01N-HNO3,100℃,1 hour)=0.215
Advantages︰Magneto Optical/Faraday Rotator Elements offer the following advantages

* Highest Verdet constant
* Excellent homogeneity
* Very small stress birefraction
* High damage threshold
* Broad wavelength range
* Better transparency properties
* Lower nonlinear refractive index
* Lower absorption coeffcient
* Lower cost
* Large dimension available



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