GPX3800 and GPX3850 Glass Processors
Chapter 9: Specifications
Rev B, July 24, 2018
Page 73
Item #
GPX3800
GPX3850
Tapering
Tapering Length
~2 mm
4
(Min)
Up to 150 mm
4
(Max)
Tapering Ratio (Max)
Adiabatic Tapers up to 1:10
(Ratios Up to 1:100 Possible)
Tapering Speed
1 mm/s (Typical)
5
Adiabatic Tapering Loss
<0.01 dB (Typical)
Computer and Software
PC Computer
Included
Splice Files
Built-In Library for Common Fibers and Processes
Physical
Size
16.0" x 12.5" x 6.3"
(410 mm x 320 mm x 160 mm)
Weight
45 lbs (20 kg)
External Power Supply
Universal Input: 96 - 260 VAC, 47 - 63 Hz, Single Phase
Glass Processor Input: 12 V and 48 V DC, 10 A
PC Input: 115 or 230 VAC, 47 - 63 Hz, Single Phase
Gas Supply
Argon, >99.999% Purity at 12 psig (Not Included)
Environmental
Operating Temperature
15 to 40 °C
Altitude Range
0 to 2000 m Above Sea Level
Operating Humidity
0 to 75% Relative Humidity (Non-Condensing)
Storage Temperature
-20 to 60 °C
Storage Humidity
0 to 90% Relative Humidity (Non-Condensing)
9.1. Electrical Power
The glass processor workstation comes with an external power supply unit, which requires 90-260 VAC, 47-63
Hz, single phase. This external power supply provides the unit with a 12 V line and a 48 V line (10 A max).
The glass processor workstation is controlled via a personal computer. The computer serves as an interface
between the user and the workstation. The computer requires 115 or 230 VAC, 47-63 Hz, single phase.
9.2. Gas Supply
These glass processing workstations use a high purity argon gas to purge the splice chamber of oxygen during
the filament fusion process. This is necessary to keep the fibers clean and to prevent the filament from oxidizing
at the high fusion temperature.
Thorlabs supplies a high purity PTFE gas line and a large gas regulator with the GPX. These are for use with a
large gas tank (not available from Thorlabs) which has a CGA-580 output port; a DIN 477 Number 6 output port
connector is also included. Zero grade argon gas with purity of ≥99.999% is recommended. Research grade
argon gas is preferred especially for fiber laser applications. Any other gas may damage the unit.
4
Dependent on Taper Geometry
5
Tapering speed depends highly on the type of process used. 1 mm/s is a typical speed for a standard tapering process.
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