Diameter: 51mm,46mm,40mm,36mm,27mm,20mm,15mm,12.7mm,10mm,6mm,5.5mm,5.0mm,4.4mm
1. MR3-2 material
Verdet Constant: -0.329min/Oe*cm or -96rad/T*m at 632.8 nm
Verdet Constant: -0.108 min/Oe*cm or -31.4 rad/T*m at 1064 nm
* Absorption coefficient: < 0.003 per cm
* Maximum inclusion size: < 0.040 mm
* Maximum total inclusion cross section: < 0.08 mm*2 per 100 cm*3
* Verdet constant at 1064 nm: -0.108 min/Oe-cm
* Strain birefringence at 633nm: < 2 nm/cm
* Extinction ratio to perpendicular polarization: > 40 dB
* Bubbles,inclusions,cord,striae: None visible (Schlieren Method)
* Bulk laser damage threshold > 25 J/cm*2 (10ns pulse width at 1064 nm)
2. Optical Quality
* Flatness of two faces: < Lambda/8 wavelength at 632.8 nm in 90% central area
* Surface of two faces:10-5 scratch/dig per standard of MIL-0-13830A,USA
* Two faces parallelism: < 30 seconds
* Edge chamfer: < 0.20mm x 45+/-5 degree
* Non optical surfaces fine ground: < 30 micron
3. Coating upon requested
* Anti-reflection
* Wavelength: 1053nm and 1064nm
* Reflectivity per surface: R<0.20%
* Damage threshold: > 5J/cm*2, 10ns,1064nm
