Overview
CITL are specialists in Cathodoluminescence, the low cost way to analyse most materials. With Cathodoluminescence you can achieve the same information as with an Electron Microscope but at a fraction of the cost and time, as no special preparation is required.
The Optical Cathodoluminescence Stage can be mounted to most optical microscopes, whether transmitted or reflected light, with a large choice of techniques.
The chamber accepts both solid accepts both solid (to 15mm thick) and thin sections. The basic cathodoluminescence system can be enhanced by the addition of Optical Spectral Analysis (OSA) or Energy Dispersive X-Ray Spectrometry (EDX). Measurements of the same specimen position can be made with these analytical attachments when used concurrently.
Please ensure you read the equipment requirements.
Specifications
STAGE
- Full movement and viewing – 70 mm x 50 mm sections
- Sample thickness to 15 mm as standard
SAMPLE CHAMBER
- Base window for transmitted light microscopy for standard polished geological sections
- Vacuum manifold with automatic precision vacuum control valve
- Solid-state pressure gauge, automatic vent valve, KF direct connection for vacuum pump
OPTIONS:
- Chamber electron gun
- Electrical feed-through
- Spacer ring to increase sample thickness
CHAMBER TOP PLATE incorporating electron gun
Choice of TP5 or TP9 Top Plate included in standard unit (either Top Plate available as additional item):
- TP5 with 5mm WD for objectives with 2.5 X and above magnification
- TP9, larger window top plate with 9 mm WD for objectives from 1 X and above
MICRO-CONTROLLED ELECTRONICS UNIT
- Gun supply – 4kV to 30kV and 20uA to 2mA. Gun current, voltage electronic/vacuum stabilised
- Controls – Pre-select gun voltage, gun current values
- Switch select – Insert sample, operate mode: automatic or manual, gun voltage on/off
- Alpha numeric display – Gun voltage, gun current, vacuum, operating mode and state, diagnostics for all internal power supplies, control values
- PC interface – RS 232
- Preset controls – Gun power, voltage limit, current limit, display auto brightness
- Indicators – Vacuum pump, vacuum ready, kV on, gun supply limits, vacuum control valve operation
- Gun safety – Interlock to vacuum, external link present
VACUUM
- Precision automatic control valve, automatic vent valve. Input port air, helium, argon or other gas
- Measurement – solid-state pressure gauge, indication – alpha- numeric display
- Operation – touch switch, automatic vacuum controlled gun high voltage & current – vent
- Interlock to high voltage
POWER REQUIREMENTS
- Electronics 85-265V AC 50-100HZ 150VA max
- Switched vacuum pump load 850VA max (voltage to be specified when placing order)
- Total load 1000VA
TECHNIQUE OPTIONS
- Analytical top plate with solid state peltier cooled X-ray detector for EDX
- Optical spectroscopy