PrecisionScan

PULSED DYE LASERS

  • Patented Grating Lift option
  • Highest allowed pump energies at 1400 mJ of 532 nm from Quanta-Ray Nd:YAG lasers for as much as 420 mJ output
  • High quality beam profile
    with capillary cell option

Pulsed Dye Lasers

Spectra-Physics’ state-of-the-art pulsed dye laser systems are German engineered by our partner firm Sirah GmbH for precision, stability and reliability. At the heart of the laser system is a grazing incidence resonator designed to utilize the grating’s dispersion twice per oscillator round-trip, ensuring narrow linewidths with low ASE. An optional second grating can be added to the resonator for ultra-narrow linewidths below 0.03 cm-1 at 570 nm. The resonator allows narrow-line tuning over a broad tuning range without the need for an intra-cavity etalon or grating change, thus simplifying the measurement process without sacrificing performance.

The pulsed dye laser family includes options such as grating lift, removable cuvettes, touch screen remote control box, reversible cover, “look-up-table” or auto tracking frequency conversion units, kinematic pump mirror blocks, open source software and CAN bus communications, making these dye lasers the most versatile, technologically advanced lasers on the market.

PrecisionScan - Higher energy amplified narrow linewidth nanosecond dye lasers

The PrecisionScan is Spectra-Physics’ top-end pulsed dye laser system. Configured with three stages, the PrecisionScan provides the versatility to accommodate two main amplifiers for high-energy applications ranging from >1000 mJ of pump energy at 355 nm and >1400 mJ at 532 nm; or can alternatively house an additional frequency conversion unit for frequency doubling capabilities. Enhanced with standard dual wavelength optics, switching between 532 and 355 nm pump lasers becomes a straightforward procedure.

Applications

Laser induced fluorescence
LIDAR and remote sensing
Combustion and atmospheric studies
Laser spectroscopy
Cavity ringdown spectroscopy
CARS
Photolysis
   
ModelGroove DensityGrating LengthTuning RangeLinewidthEfficiency  
PrecisionScan-G 1800 lines/mm5 60 mm 400–920 nm 3.6 pm 0.10 cm-1(1) 30%1  
2400 lines/mm5 60 mm 370–760 nm 2.7 pm 0.08 cm-1(2) 30%2  
3000 lines/mm 60 mm 370–620 nm 2.0 pm 0.06 cm-1(2) 30%2  
PrecisionScan-LG 1800 lines/mm5 90 mm 400–920 nm 2.4 pm 0.06 cm-1(1) 30%1  
2400 lines/mm5 90 mm 370–760 nm 1.8 pm 0.06 cm-1(2) 30%2  
3000 lines/mm 90 mm 370–620 nm 1.4 pm 0.05 cm-1(2) 30%2  
PrecisionScan-D 1800 lines/mm5 2 x 90 mm 410–900 nm 1.7 pm3 0.05 cm-1(1) 27%1  
2400 lines/mm5 2 x 90 mm 370–710 nm 1.2 pm3 0.04 cm-1(2) 27%2  
3000 lines/mm 2 x 90 mm 370–580 nm 1.0 pm3 0.03 cm-1(2) 27%2  
   
Absolute Wavelength Accuracy <15 pm  
Wavelength Resetability <2 pm  
Wavelength Stability <1.5 pm/°C  
Divergence (typical) 0.4 mrad  
Polarization >98%, vertical  
ASE <0.5%  
Pump Energies (with EBP cell) 50–650 mJ @ 532 nm (800 mJ)4
50–400 mJ @ 355 nm (500 mJ)4
 
Pump Energies (with second main amplifier) 300–1400 mJ @ 532 nm
300–1000 mJ @ 355 nm
 
   
Voltage 110–230 V, single phase, 50 Hz/60 Hz  
Computer Single USB Port  
Operating System Windows 2000 / Windows XP / Windows Vista (32 bit)  

1. At 625 nm (peak DCM) pumped at 532 nm
2. At 570 nm (peak Rhodamine 6G) pumped at 532 nm
3. Exact linewidth depends weakly on wavelength; value given for 450 nm
4. With enhanced beam profile (capillary) dye cell
5. 1800 lines per mm Woods Anomally occurs at 560–571 nm and 2400 lines per mm Woods Anomally occurs at 423–434 nm

Pulsed Dye Laser Optical Layout

Pulsed Dye Laser Dimensions

 AB  
PrecisionScan 1086 1026

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Supporting Products

Product Description
Quanta-Ray Pro
Pulsed Nd:YAG with up to 2.5 J of energy per pulse
Quanta-Ray Lab
Pulsed Nd:YAG with up to 1 J of energy per pulse
Quanta-Ray INDI
Pulsed Nd:YAG with up to 450 mJ of energy per pulse
50A-PF-DIF-18
Low power thermal sensors – 20 mW to 50 W