LiopStar



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

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 software

intelligent 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

 

________________________________________________________

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

Coumarin 120

220 nm

280 mJ @ 355 nm

LiopStar-VN

>   5 mJ

Coumarin 307

250 nm

280 mJ @ 355 nm

LiopStar-VN

>   5 mJ

Rhodamine 6G

280 nm

400 mJ @ 532 nm

LiopStar-VN

> 25 mJ

DCM

320 nm

400 mJ @ 532 nm

LiopStar-VN

> 25 mJ

 

THG1   (requires an aditional LSEH)          197 nm – 212 nm

Rhodamine B

200 nm

400 mJ @ 532 nm

LiopStar-VN

2 mJ

Rhodamine 101

205 nm

400 mJ @ 532 nm

LiopStar-VN

4 mJ

DCM

210 nm

400 mJ @ 532 nm

LiopStar-VN

4 mJ

 

DFM1,3    (requires an aditional LSEH)       1.4 μm – 5.0 μm

DCM

1.6 μm

400 mJ @ 532 nm

LiopStar-E-VN

6    mJ

Pyridine1

2.0 μm

400 mJ @ 532 nm

LiopStar-E-VN

5.5  mJ

Styryl 9

3.4 μm

400 mJ @ 532 nm

LiopStar-E-VN

800 μJ

LDS 867

4.7 μm

400 mJ @ 532 nm

LiopStar-E-VN

100 μJ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

        



linewidth specifications                                                                           LiopStar

 

              grating

     tuning range

       linewidth

LiopStar-E

1800 l/mm, 60 mm

  355 nm – 900 nm

< 0.1   cm-1 @ 620 nm

LiopStar-E

2400 l/mm, 60 mm

  355 nm – 740 nm

< 0.08 cm-1 @ 570 nm

LiopStar-E-N

1800 l/mm, 90 mm

  355 nm – 900 nm

< 0.06 cm-1 @ 620 nm

LiopStar-E-N

2400 l/mm, 90 mm

  355 nm – 740 nm

< 0.06 cm-1 @ 570 nm

LiopStar-E-N

3000 l/mm, 90 mm

  355 nm – 610 nm

< 0.05 cm-1 @ 560 nm

LiopStar-E-VN

double 1800 l/mm, 90 mm

  355 nm – 900 nm

< 0.05 cm-1 @ 620 nm

LiopStar-E-VN

double 2400 l/mm, 90 mm

  355 nm – 720 nm

< 0.04 cm-1 @ 570 nm

LiopStar-E-VN

double 3000 l/mm, 90 mm

  355 nm – 580 nm

< 0.03 cm-1 @ 570 nm

 

beam specifications                                                                               LiopStar

conversion efficiency:

Nd:YAG pumped 355 nm

 20% @ 405 nm                       Exalite 404

 14% @ 460 nm                       Coumarin 47

conversion efficiency:

Nd:YAG pumped 532 nm

 25% @ 630 nm                       DCM

 28% @ 565 nm                       Rhodamine 6G

wavelength reproducibility

 < 0.005 nm

absolute accuracy

 <   0.01 nm

scan linearity

 < 0.002 nm

wavelength stability

 < 0.001 nm/°C

divergence

        0.5 mrad

polarisation

 >    98 %                                  vertical

ASE-background

 <    0.5 %

 

dimensions                                                                                               LiopStar

LiopStar

1040 mm x 400 mm x 300 mm ± 10 mm, 70 kg

beam input height

  180 mm ± 10 mm

beam output height

  200 mm ± 10 mm

 

requirements                                                                                             LiopStar

pump laser pulse power

10 mJ … 1500 mJ (high power option),  s-pol

voltage

110 V 6A / 220 V 3 A, 50/60 Hz, single phase

computer

Windows, one free USB port