Laser Floating Zone Furnace

Feature: We, Crystal Systems Corporation, have started suppling new model of “Laser-diode floating zone (LDFZ) furnace”. The new model is total 1KW in power(the first model in 2011 was 350W) and it makes possible to grow larger crystal under stable growing conditions.

Specifications
Laser operational mode CW(continuous wave)
Max power(standard) 1000W (200W x 5 laser diode units) ※
Center wave length 808nm ± 5nm
Laser oscillation angle 0~30 degrees (changeable)
Cooling Water-cooled by 2 re-circulating chillers
Sealing O-ring seal
Pressure 0.95 MPa
Vacuum 6.7 x 10-3 Pa
Crystal length 150 mm
Growth speed slow moveing:0.01 – 300 mm / hour
fast moving:1 – 150mm / minute
Rotation speed 3 – 100 rpm
Control system LabVIEW (OS Windows 10),
manual controll with Hand-Controll-Box
Monitoring CCD camera , LCD monitor

Atmospheric gas
Ar:5 L/min ,
 O2:500 cc/min ,
 Air:10 L/min

Power
3 phases / 200V / 30A
1 phases / 200V / 20A
1 phases / 200V / 20A
    ※ Option:1000W / 500W / 300W per each laser diode unit(LDU)
      Max power:5000W ( 1000W × 5 laser diode units )

FYR http://staff.aist.go.jp/t.ito