Type MR3-2 faraday rotator glass parameters 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（Wavelength 589.3 nm) =1.7441
Nd（Wavelength  587.6 nm) =1.7442
NF（Wavelength  486.1 nm) =1.7544
Nc（Wavelength  656.3 nm) =1.7400
N  （Wavelength  1064  nm) =1.7178
Optical Quality(△n) /cm < 1×10*-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% ≥ 99% (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