MR1 FARADAY ROTATOR ROD IN STOCK
MR1 diamagnetic faraday rotator material 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.
Specifications︰
MR1 Diamagnetic Faraday Rotator / Magneto Optical Optics
Verdet constant=0.072-0.093min/Oe.cm at 632.8nm
Nd=1.92306
Nf=1.93838
Dispersive coefficient=21.26
Strain Birefringence <=0.50 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.Core or striae:None visible
4.Two end sides:fine polished
5.Fine grind side body.
6.Coating: None.
7.Bulk laser damage threshold > 1GW/s.q.cm.(20 nsec. pulse at 1064nm)
Advantages︰
Diamagnetic Faraday Rotator Optics 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.