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Lexel 85 and 95 gas-ion lasers have a 25-year history of the
highest quality and performance in the industry. The simple solid ceramic
plasma tube design has proven its durability and stability in producing
coherent laser light. This is the best
value in a small frame (1-7 watt) gas-ion laser.
These lasers are designed for long, stable life in a variety of
scientific and industrial applications.
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Scientific applications |
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Industrial applications |
- Spectroscopy
- Holography
- Laser Doppler velocimetry
- Ti:Sapphire/Dye laser pumping
- Cytofluorescence
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- Non-destructive testing
- Semiconductor processing
- Disc mastering
- OEM medical applications
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Lexel 85 and 95 lasers are available in three
versions:
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85: Multiline 1 W argon or 1/4 W
krypton; 220VAC/30A single-phase operation.
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95: Multiline 2-4 W argon or 3/4 W
krypton; 208VAC/35A three-phase operation.
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95L: Longer version of the 95.
Multiline 5-7 W argon or 1.5 W krypton; 208VAC/50A three-phase operation.
The condensed table below lists key
specifications of these lasers. A separate
page has a complete table, with detailed specifications of the 85/95 series.
Important: For all items below, the
listed specifications represent the general performance of standard models.
Individual specifications can often be optimized for specific applications.
For example, custom laser wavelengths are available. Please contact
Cambridge Lasers if you have any special requirements.
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LEXEL 85/95 SERIES -
WAVELENGTH AND POWER
(selected lines only -
click here for more
lines) |
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Argon Lasers |
Krypton Lasers |
Version |
85 |
95 |
95L (longer) |
85 |
95 |
95L |
|
Model |
85-1 |
95-2 |
95-3 |
95-4 |
95-5 |
95-6 |
95-7 |
85-K |
95-K |
95-K |
Multiline Operation, power in watts |
|
All lines |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
.225 |
.75 |
1.5 |
Single Line Operation, power in milliwatts |
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676.4 nm |
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50 |
150 |
300 |
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647.1 nm |
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100 |
500 |
1000 |
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514.5 nm |
400 |
800 |
1200 |
1700 |
2100 |
2400 |
2600 |
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488.0 nm |
350 |
700 |
1000 |
1300 |
1600 |
1800 |
2000 |
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LEXEL 85/95 SERIES - BEAM PARAMETERS
(selected parameters
only -
click here for details)
|
|
Version |
85 |
95 |
95L |
|
Beam
diameter (@ 1/e2 points) |
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514.5 nm TEM00 (Argon) |
1.1 mm |
≤ 1.3 mm |
≤ 1.5 mm |
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647.1 nm TEM00 (Krypton) |
1.2 mm |
≤ 1.3 mm |
≤ 1.5 mm |
| Beam
divergence3 (full angle) |
|
514.5 nm TEM00 (Argon) |
0.7 mrad |
0.6 mrad |
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647.1 nm TEM00 (Krypton) |
0.9 mrad |
0.9 mrad |
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Amplitude power stability (1 hour period after 30 minute warm-up) |
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Light Control |
≤ ±0.2% |
≤ ±0.2% |
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Current Control |
≤ ±2.0% |
≤ ±3.0% |
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LEXEL 85/95 SERIES -
OPERATIONAL AND DIMENSIONAL
(selected specs only -
click
here for details)
|
Version |
85 |
95 |
95L |
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Optical resonator |
Solid Invar®
rod structure |
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Electrical service requirements |
220 VAC
Single phase
50/60 Hz |
208 VAC
3-phase Wye or Delta
50/60 Hz |
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Maximum current draw |
30A |
35A |
50A |
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Cooling water flow |
1.5 gpm
at 15 psi
(5.6 liters/min at 1 Atm) |
2.0 gpm at 20 psi
(7.5 liters/min at 1.4 Atm) |
Laser head, length
Click here for dimensional drawing |
34.3 in
(87.2 cm) |
41.5 in
(105.4 cm) |
50.0 in
(127.0 cm) |
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Specifications as of 6/2003. Subject to change without notice. |
Lexel 85 and 95 lasers are
CDRH-certified with all safety features. They come with a two-year/2,000
hour warranty.
Power supply
The power supply front panel contains all controls necessary to
operate and fully monitor the laser system.
- Linear low noise power supply
- Current and light regulation
- 0-10V external modulation
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- Panel mounted power meter
- Automatic starting
- Remote turn-on capability
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Laser head
Within the laser head, an ultra-stable solid Invar®
optical resonator holds the
plasma tube and mirrors in precise alignment to produce coherent laser light.
- Solid Invar®
resonator
- Temperature-compensated prism wavelength selector
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- Fine tuning capability
- Multiline mirror holder for all lines operation
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Laser tube
A simple and reliable plasma tube design. Lexel's solid
ceramic plasma tube design has been proven since 1972, while other ion laser
manufacturers have tried and abandoned several designs in an attempt to
match Lexel's stability and performance. In fact, a majority of the more
than 18,000 Lexel plasma tubes still operate today, some with 20,000
hours of use.
- Sealed intracavity spaces
- Free-flow gas supply
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- High-efficiency solid ceramic plasma tube
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Current and light regulation
The Lexel 85 and 95 lasers can be operated in current or light control:
n
Current regulation allows direct control of the current through
the plasma tube via an external source.
n
Light regulation provides the ultimate in laser output
stabilization. A small portion of the light is sampled within the laser
and compared to a reference signal in a differential circuit that
automatically adjust the laser current to maintain a constant output.
This feature also allows for the light level to be
modulated externally with a ± 10 volt signal.
Model 500 Temperature-Compensated Prism Wavelength Selector
Stable single line operation is achieved by Lexel ion lasers with the
Model 500 prism wavelength selector. A full Brewster prism is utilized to
achieve good separation of even the most closely spaced lines.
Model 502 Multiline Mirror Holder
This assembly holds the high reflector mirror for Multiline operation.
This feature may be substituted for the Model 500 wavelength selector.
Fine tuning
The laser is aligned accurately with the use of fine tuning knobs.
Remote turn on
This feature permits the laser power supply to be turned on and off and
the plasma tube to be started remotely.
Automatic starting
This circuit automatically starts the plasma tube approximately 20
seconds after the power supply is turned on.
Panel-mounted power meter
This multirange power meter continuously displays the output power of
the laser.
Model 503 Temperature-Controlled Etalon Assembly
The extremely stable etalon assembly allows single longitudinal mode
operation, for applications requiring long coherence length and very narrow
line width. The output power is typically in the range of 50% of the
original output.
Model 510 Laser Power Meter
The easy-to-use power meter can be used with argon, krypton, mixed-gas and
dye laser systems.
Model 507 Adapter
An adapter threads into the 3/4"-32 optical thread at the output aperture of
the laser converting it to a 1-32 female thread for mounting optical
accessories with this larger size thread.
Model 508 Remote Power Monitor
A power monitor operates in conjunction with the option 7507 panel mounted
power meter to allow continuous monitoring of the laser power at locations
away from the power supply.
Model 7504 Rack-Mounted Power Supply
All Lexel 85/95 power supplies can be equipped with a rack mounting panel
for mounting in a standard 19"(438mm) equipment cabinet.
Other Optical Accessories
Accessories such as beam expanders, spatial filters,
cavity-dumpers, mode-lockers or dye lasers are commonly used with Lexel
lasers. Please contact Cambridge Lasers if these or any other special accessories are
required. Intracavity Workspace
Any Lexel model can be supplied with an extended resonator which has a
longer intracavity space at the output end of the laser. This extra space
may be used for various intracavity experiments or for mounting
acousto-optic devices such as cavity dumpers.
For pricing and availability, call Cambridge
Lasers Laboratories.
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