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High repetition rate and high pulse energy picosecond amplifiers APL2200 series

APL2200 series picosecond amplifiers are designed to produce up to 60 mJ picosecond pulses at kilohertz pulse repetition rate. Short pulse duration, excellent pulse-to-pulse stability, superior beam quality makes APL2200 series diode pumped picosecond amplifiers well suited for applications like OPCPA pumping, material processing, non-linear optics and others.

Features

  • High pulse energy at kHz rates
  • Diode pumped solid state design
  • Cooled by supplied chiller – tap water is not required
  • Low maintenance costs
  • Remote control pad
  • PC control via USB with supplied LabVIEW™ drivers.
  • Optional temperature stabilized second, third and fourth harmonic generators

Applications

  • Time resolved fluorescence, pump-probe spectroscopy
  • OPG/OPA pumping
  • OPCPA pumping
  • Micromachining
  • Other spectroscopic and nonlinear optics applications…

 

APL2200 series amplifiers are designed to produce up to 60 mJ picosecond pulses at kilohertz pulse repetition rate.

Model APL2201 delivers 10 mJ, 90 ps pulses at up to 1 kHz repetition rate.

Model APL2203 delivers 30 mJ, 90 ps pulses at up to 1 kHz repetition rate.

Model APL2205 delivers 60 mJ, 90 ps pulses at up to 1 kHz repetition rate.

Short pulse duration, excellent pulse-to-pulse stability, superior beam quality makes APL2200 series diode pumped picosecond amplifiers well suited for applications like OPCPA pumping, material processing, non-linear optics and others.

Master oscillator/Power amp lifier (MOPA) design

APL2200 series amplifiers are designed to be seeded by PL2210 series lasers. Pulses from PL2210x lasers are spatially shaped and amplified in double-pass amplifiers with thermally induced birefringence compensation. Advanced optical design ensures smooth, without hot spots beam spatial profile at the laser output. Low light depolarization level allows high efficiency generation of up to 4th harmonics with build-in harmonics generators.

The amplifiers are compatible with all optional items that are offered for seed lasers of PL2210 series. For example, repetition rate and timing of the pulses can be locked to the external RF source (with –PLL option) or other ultrafast laser system (with –FS option).

Build-in harmonic generators

Angle-tuned LBO and/or BBO crystals mounted in temperature stabilized heaters are used for second, third and fourth harmonic generation. Harmonics separation system is designed to ensure high spectral purity of radiation and direct it to the output ports.

Simple and convenient laser control

For customer convenience the amplifier can be controlled through user-friendly remote control pad or USB interface. If APL2200 unit is seeded by PL2210 series laser, it is possible to control both laser and amplifier from the same remote control pad. The control pad features a backlit display that is easy to read even  while wearing laser safety eyewear. Alternatively, the amplifier can be controlled from personal computer with supplied software for Windows™ operating system. LabVIEW™ drivers are supplied as well.

 

Specifications1)

Model APL2201-P90 APL2203-P90 APL2205-P90
Output energy
at 1064 nm 10 mJ 30 mJ 60 mJ
at 532 nm2) 5 mJ 15 mJ 30 mJ
at 355 nm3) 3 mJ 10 mJ 20 mJ
at 266 nm4) 1 mJ 2.5 mJ 4 mJ
Pulse energy stability (Std.Dev.)5)
at 1064 nm 1 %
at 532 nm 1.5 %
at 355 nm 2 %
at 266 nm 4 %
Pulse duration (FWHM)6) 90±10 ps
Pulse duration stability7) ±3 ps
Pulse repetition rate8) 1000 Hz
Triggering mode external
Spatial mode9) super-Gaussian
Beam divergence10) <1 mrad <0.7 mrad
Typical beam diameter11) ~3 mm ~5 mm ~6 mm
Beam pointing stability12) <60 µrad
Pre-pulse contrast >50:1
Polarization Linear, >95 %
Physical characteristics
Laser head size (WxLxH) 455x1035x242 mm 900x1500x350 mm 1200x2200x350 mm
Power supply size (WxLxH) 550x600x680 mm 550x600x860 mm 550x600x1030 mm
Chiller size (WxLxH) 400x430x790 mm 400x430x790 mm 500x500x850 mm
Operating requirements
Water service Not required, air-cooled
Relative humidity (non condensing) 20-80 %
Operating ambient temperature 22±2°C
Mains voltage 208 or 230 V AC, single phase, 50/60 Hz
Power rating13) <1.0kVA <2.5kVA <5kVA

1) All specifications are subject to change without notice. The parameters marked typical are not specifications. They are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise all specifications are measured at 1064 nm. All specifications measured when PL2210B laser as seed laser was used.

2) For APL220x-SH and APL220x-SH/FH options. Outputs are not simultaneous.

3) For APL220x-TH option. Outputs are not simultaneous.

4) For APL220x-SH/FH option. Outputs are not simultaneous.

5) Averaged from 300 pulses at 1 kHz pulse repetition rate.

6) Depends on seed laser. Optional 30 ps duration, in this case PL2210A laser as seed laser should be used. Inquire for pulse energies.

7) Measured over 1 hour period when ambient temperature variation is less than ±2 °C.

8) Should be specified when ordering. Inquire for custom pulse repetition rates.

9) Gaussian fit >80%.

10) Full angle measured at the 1/e2 level at 1064 nm .

11) Beam diameter is measured at 1064 nm at the 1/e2 level.

12) RMS value measured from 300 shots.

13) Required current rating can be calculated by dividing power rating by mains voltage.

 

Option P30 provides 30±3 ps output pulse duration. Inquire for pulse energy specifications.

Recommended seed laser for 90 ps is PL2210B. For 30 ps pulse duration use PL2210A as seed laser.

Ordering information of APL2200 series amplifiers