Paramagnetism Faraday Rotator Glass
Type MR3-2 Glass Specification
The Properties of MR3-2 Faraday Rotator 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 < 0.001/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

Paramagnetism Faraday Rotator Glass
Type MR4 Glass Specification
Verdet constant=-0.38 min/Oe*cm at 632.8 nm,t=20 ℃
Verdet constant=-0.128 min/Oe*cm at 1064 nm,t=20 ℃

Refractive indices
ND: 1.7552
Nd: 1.7554
NF: 1.7659
Nc: 1.7508

Abbe number
VD=50.50
Vd=50.50

Non-linear index n2 (10*-13 e.s.u.) : 2.95

Density (g/cm3):5.12

Transparence rate of glass material T% ≥  86% (No coating)

In general,the MR4 Faraday Rotator Glass meeting the following specification
1.Absorption coefficient at 1064nm < 0.002/cm.
2.Maximum inclusion size < 0.040mm
3.Maximum total inclusion cross section < 0.04 mm*2 per 100 cm3
4.Core or striae:None visible
5.Two end sides:fine polished 
6.Fine grind body
7.Bulk laser damage threshold > 20J/s.q.cm.(20 nsec. pulse at 1064nm) 
8.Transparence rate T% ≥ 98%(Coated)

Type MR4 Faraday Rotator Glass  available exclusively from XAOT 

Verdet constant=0.072-0.093min/Oe.cm at 632.8nm 
Nd=1.92306
Nf=1.93838

Dispersive coefficient=21.26

Strain Birefringence <= 2 nm/cm at 632.8nm

In general,the Faraday Rotator Glass meeting the following specification
1.Maximum inclusion size <0.040mm
2.Maximum total inclusion cross section <0.04 mm2 per 100 cm3.
3.Two end sides:fine polished
4.Bulk laser damage threshold > 1GW/s.q.cm.(20 nsec. pulse at 1064nm)

Advantages: Diamagnetic Faraday Rotator Glasses has a very important property which is independent of temperature and widely used in Magnet Optic Current Transform(MOCT) and many kinds of polarimeters and instruments with higher sensitivity and stability

In Stock
MR1 diamagnetic faraday rotator rod with the following characteristics
1. Diameter: 4.40+/-0.05mm
2. Length: 17.50+/-0.05mm
3. Flatness of the two faces: Less than lambda/8 wavelength at 632.8 nm  in the 90% central area
4. Surface quality of the two faces:10-5 scratch/dig per standard of MIL-0-13830A,USA
5. Two faces parallelism: Less than 5 seconds
6. Edge chamfer: 0.1mm x 45+/-5 degree
7. Fine grind body of rod
8. Stress birefringence(extinction ratio): > 45 dB (By special annealed)
9. Coating: Anti-reflective (AR) coating ( transparence): > 99% in wavelength of 620-690 nm
10. Coating curve attached