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Features & Applications

FEATURES

Diode pumped regenerative amplifier
Seeding of regenerative amplifier with customers super-continuum seeding source
Flashlamp pumped power amplifier
Advanced beam shaping for high pulse energy
Thermally induced birefringence compensated design for high pulse repetition rates
Low jitter synchronisation pulses for streak camera triggering with 10 ps rms jitter (optional)
Water-water heat exchanger for cooling of pump chambers
Remote control pad
Control through CAN or USB interface (RS232 is optional)
Optional temperature stabilized second, third and fourth harmonic generators

APPLICATIONS

OPCPA pumping
OPG/OPA pumping
Other spectroscopic and nonlinear optics applications…

Description

APL210x series amplifiers are designed to produce up to 1000 mJ picosecond pulses. High pulse energy, excellent pulse-to-pulse energy stability, superior beam quality makes APL210x series picosecond amplifiers well suited for applications like OPCPA pumping, non-linear optics and others.

REGENERATIVE AMPLIFIER / POWER AMPLIFIER DESIGN

APL210x series amplifiers are designed to be seeded by external seeding source. Diode pumped regenerative amplifier ensures amplification of seed signal to stable mJ level pulse for amplification in linear amplifiers. Advanced beam shaping 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.

BUILD-IN HARMONIC GENERATORS

Angle-tuned DKDP crystals harmonics generators 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. 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.

Specifications

Model	APL2101	APL2103	APL2105	APL2106	APL2107
Main specifications ¹⁾
Output energy
at 1064 nm	200 mJ	300 mJ	550 mJ	1000 mJ	2200 mJ
at 532 nm ²⁾	100 mJ	150 mJ	250 mJ	500 mJ	1100 mJ
at 355 nm ³⁾	60 mJ	90 mJ	170 mJ	300 mJ	TBA
at 266 nm ⁴⁾	20 mJ	30 mJ	60 mJ	100 mJ	TBA
Pulse energy stability (Std.Dev.) ⁵⁾
at 1064 nm	1.5 %
at 532 nm	2.5 %
at 355 nm	5 %
at 266 nm	7 %
Pulse duration (FWHM)⁶⁾	90 ± 10 ps
Pulse repetition rate ⁷⁾	10 Hz
Triggering mode	external
Spatial mode ⁸⁾	super-Gaussian
Beam divergence ⁹⁾	< 0.5 mrad
Typical beam diameter ¹⁰⁾	~11 mm			~17 mm	~24 mm
Beam pointing stability ¹¹⁾	< 60 µrad
Pre-pulse contrast	> 200:1
Polarization	linear, > 100:1
Input
Wavelength	1064 nm
Pulse duration range (FWHM)	20 fs – 90 ps
Pulse repetition rate	50 – 95 MHz
Average power	> 20mW
Physical characteristics
Laser head size (W×L×H)	600 × 1500 × 350 mm			600 × 1800 × 350 mm	TBA
Power supply size (W×L×H)	550 × 600 × 1100 mm			550 × 600 × 1230 mm	TBA
Operating requirements
Water service	< 12 l/min, below 20 °C				< 25 l/min, below 20 °C
Relative humidity	20 – 80 % (non condensing)
Operating ambient temperature	22±2 °C
Mains voltage	208 or 230 V AC, single phase, 50/60 Hz				208 or 230 V AC, three phases, 50/60 Hz
Power rating ¹²⁾	< 2 kVA	< 2 kVA	< 2.5 kVA	< 4.5 kVA	< 12 kVA

Due to continuous improvement, all specifications are subject to change. Parameters marked typical are illustrative; they are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise, all specifications are measured at 1064 nm.
For APL210x-SH and APL210x-SH/FH options. Outputs are not simultaneous.
For APL210x-TH option. Outputs are not simultaneous.
For APL210x-SH/FH option. Outputs are not simultaneous.
Averaged from pulses, emitted during 30 sec time interval.
Optional 30 ps duration. Inquire for pulse energies.
Should be specified when ordering. Inquire for custom pulse repetition rates.
Gaussian fit >80%.
Full angle measured at the 1/e² level at 1064 nm.
Beam diameter is measured at 1064 nm at the 1/e² level.
Value measured from 300 shots.
Required current rating can be calculated by dividing power rating by mains voltage.

Available Models & Options

Model	Features
APL2101	Delivers 200 mJ, 90 ps pulses at up to 10 Hz repetition rate
APL2103	Delivers 300 mJ, 90 ps pulses at up to 10 Hz repetition rate
APL2105	Delivers 550 mJ, 90 ps pulses at up to 10 Hz repetition rate
APL2106	Delivers 1000 mJ, 90 ps pulses at up to 10 Hz repetition rate
APL2107	Delivers 2200 mJ, 90 ps pulses at up to 10 Hz repetition rate

OPTION P30

Provides 30±3 ps output pulse duration. Contact EKSPLA for pulse energy specifications.

Ordering Information

Ordering information of APL2100 series amplifiers