extreme narrow bandwidth system down to 0,02cm-1
wide
spectral range 197nm – 5000nm
low ASE <0,5%
repetition rates up to 100kHz
high efficient laser resonator
exchangeable grating
Gaussian near beam quality due to Bethune cells
third dye cell for high power pump laser
eroded stainless-steel case for oscillator and
amplifier cuvettes for highest stability
new state-of-the art integrated electronics and user-friendly softwareintelligent PI control for FCU autotracking unit with temperature stabilized crystals
USB port
remote control via TCP / IP protocol
smallest footprint
Options:
frequency conversion units
internal open
loop frequency doubling with look-up-table
internal open loop frequency tripling and mixing with look-up-table1
autotracking2 FCU available for second-harmonic generation (SHG), third-harmonic generation (THG)1, sum- and difference frequency mixing (SFM, DFM)1,3
intelligent
PI-control corrects phase matching deviation of the look-up-table algorithm
high scan speed, up to 10 nm/min
usable for repetition rates from < 1 Hz up to 250 kHz
temperature
control for crystals up to 70°C
Application:
- laser induced fluorescence: LIF - photolysis
- combustion and atmospheric studies - light detection and ranging: LIDAR
- Raman spectroscopy - coherent antistokes raman spectroscopy: CARS
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1THG, SFM and DFM operation requires an additional LSEH extension
2wavelength separation is required for autotracking operation
3for narrowband operation a seeder for the Nd:YAG pump laser is recommend
energy output
dye |
UV/IR wavelength |
pump energy @ 10Hz |
dye laser |
output energy |
SHG 206 nm – 450 nm |
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Coumarin 120 |
220 nm |
280 mJ @ 355 nm |
LiopStar-N |
> 5 mJ |
Coumarin 307 |
250 nm |
280 mJ @ 355 nm |
LiopStar-N |
> 5 mJ |
Rhodamine 6G |
280 nm |
400 mJ @ 532 nm |
LiopStar-N |
> 25 mJ |
DCM |
320 nm |
400 mJ @ 532 nm |
LiopStar-N |
> 25 mJ |
THG1 (requires an aditional LSEH) 197 nm – 212 nm |
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Rhodamine B |
200 nm |
400 mJ @ 532 nm |
LiopStar-N |
3 mJ |
Rhodamine 101 |
205 nm |
400 mJ @ 532 nm |
LiopStar-N |
6 mJ |
DCM |
210 nm |
400 mJ @ 532 nm |
LiopStar-N |
6 mJ |
DFM1,3 (requires an aditional LSEH) 1.4 μm – 5.0 μm |
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DCM |
1.6 μm |
400 mJ @ 532 nm |
LiopStar-E-N |
6 mJ |
Pyridine1 |
2.0 μm |
400 mJ @ 532 nm |
LiopStar-E-N |
5.5 mJ |
Styryl 9 |
3.4 μm |
400 mJ @ 532 nm |
LiopStar-E-N |
800 μJ |
LDS 867 |
4.7 μm |
400 mJ @ 532 nm |
LiopStar-E-N |
100 μJ |
linewidth specifications LiopStar |
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|
grating |
tuning range |
linewidth |
|
LiopStar |
1800 l/mm, 90 mm |
355 nm – 900 nm |
< 0.06 cm-1 @ 620 nm |
|
LiopStar |
2400 l/mm, 90 mm |
355 nm – 740 nm |
< 0.06 cm-1 @ 570 nm |
|
LiopStar |
3000 l/mm, 90 mm |
355 nm – 610 nm |
< 0.05 cm-1 @ 560 nm |
|
LiopStar-N |
double 1800 l/mm, 90 mm |
355 nm – 900 nm |
< 0.05 cm-1 @ 620 nm |
|
LiopStar-N |
double 2400 l/mm, 90 mm |
355 nm – 720 nm |
< 0.04 cm-1 @ 570 nm |
|
LiopStar-N |
double 3000 l/mm, 90 mm |
355 nm – 580 nm |
< 0.03 cm-1 @ 570 nm |
|
beam specifications LiopStar |
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conversion efficiency: Nd:YAG pumped 355 nm |
20% @ 405 nm Exalite 404 14% @ 460 nm Coumarin 47 |
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conversion efficiency: Nd:YAG pumped 532 nm |
25% @ 630 nm DCM 28% @ 565 nm Rhodamine 6G |
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wavelength reproducibility |
< 0.002 nm |
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absolute accuracy |
< 0.01 nm |
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scan linearity |
< 0.002 nm |
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wavelength stability |
< 0.001 nm/°C |
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divergence |
0.5 mrad |
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polarisation |
> 98 % vertical |
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ASE-background |
< 0.5 % |
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dimensions LiopStar |
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LiopStar |
1040 mm x 400 mm x 300 mm ± 10 mm, 70 kg |
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beam input height |
180 mm ± 10 mm |
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beam output height |
200 mm ± 10 mm |
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requirements LiopStar |
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pump laser pulse power |
10 mJ … 1500 mJ (3rd amplifier), s-pol |
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voltage |
110 V 6A / 220 V 3 A, 50/60 Hz, single phase |
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computer |
Windows, one free USB port |
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