| |
Light
Sources |
|
| |
He-Ne
Laser |
2
mW or 5 mW (the latter is recommended for weakly
reflecting surfaces) |
| |
Laser
Diode |
More compact than He-Ne laser. Wavelength and output
power can be specified |
| |
Xe
Arc |
75
W Xe high pressure arc lamp, air cooled, with starter
and power supply. EMF shielded. (l > 200 nm) |
| |
Spectral
Selection |
|
| |
Interference
Filters |
50
- 10 nm bandwidth, all standard wavelengths available |
| |
Filter
Wheel |
Automatic
change of filter (specify configuration) |
| |
Monochromator |
Focal
length 100 mm, f4, typ. resolution 4 nm (200 nm
< l < 850 nm) |
| |
Polarisers
and Retarders |
|
| |
Polaroid |
Low-cost,
for visible spectrum and near UV |
| |
Rotating
Retarder |
Single
wavelength or achromatic. Low vibration rotation
stage w. microcontroller interface |
| |
Birefringence
Modulator |
3
component high stability design, 50 kHz modulation
frequency (l > 200 nm) |
| |
Optics |
|
| |
Microscope
Objective |
Please
contact us for more
information |
| |
Detectors |
|
| |
Photomultiplier |
11
stage Thorn EMI end-on type, S-20 response, with
housing and high voltage power supply (180 <
l < 950 nm) |
| |
Si
Photodiode |
UV-enhanced
Si diode with low-noise preamp, separate AC/DC outputs.
(180 < l < 1100 nm) |
| |
CCD
Camera |
12-bit
digital, 256x256 pixel, > 100 frames/s; PCI framegrabber
board and software. (200 < l < 1200 nm) |
| |
Mounting
System |
|
| |
Goniometer
Table |
Vertical
mount, 360° rotation. Angular resolution 1/20
degree. Step motor arm drive with control unit.
High rigidity design for direct mounting of all
components |
| |
Sample
Mounts |
All
Modular System components are precision mounted
in fixed height optical track mounts. Blank mounts
available for customer modifications |
| |
Sample
Stage |
Standard
xyz mount, 25 mm travel. Computer controlled scanning
stage available |
| |
Interface |
|
| |
Microcontroller |
Provides
true background real-time data acquisition w. lock-in
interface and 6 additional analog inputs (12 and
16-bit versions available; acquisition rate 60 kHz
max) and 2 analog outputs. 3 stepping motor drivers
for standard 4 phase stepping motors. Can be used
as interface to Lock-In, Birefringence Modulator,
monochromator, filter wheels, Arm drive, retarder,
polariser, and custom devices. Connection to host
computer via standard serial port (max. data rate
57,600 baud) |
| |
Computer |
Pentium
II computer under Windows NT/2000. Options: Printer, ZIP/JAZ
drive |
| |
Software |
IgorPro
data analysis and visualisation software from WaveMetrics
with custom extensions |
|
Note:
Specifications are subject to change without notice.
|
