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TOPAG Lasertechnik GmbH
Nieder-Ramstädter Str. 247
64285 Darmstadt
Telefon: +49 6151 4259 78
Telefax: +49 6151 4259 88 
E- mail: info [at] topag.de 

Atlantic UV30

8137
Pikosekunden UV-Laser mit langlebigen UV-Optiken

Atlantic

Der Pikosekundenlaser Atlantic UV30 weist eine Ausgangsleistung von 30W bei 355nm auf. Das optische Layout des harmonischen Moduls zeichnet sich durch eine besonders hohe Lebensdauer aus. Die UV-Optiken werden mit >8000 Betriebsstunden garantiert.

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Tab 1

Features

  • 30 W at 355 nm
  • 8000 h UV optics lifetime guaranteed
  • 75 µJ pulse energy
  • Short pulse duration 10 ps
  • 400 – 1000 kHz pulse repetition rates
  • Negligible output beam spatial characteristic change depending on output power
  • External synchronisation and precise triggering with jitter of 7 ns (RMS)
  • Analog AOM pulse control which helps to change energy of pulses in real time with immediate response
  • Environment resistant design for 24/7 operation
  • Individual pulse control
  • Smart triggering for synchronous operation with polygon scanner
  • Low maintenance

Applications

  • OLED cutting
  • Sapphire processing
  • Ceramics micromachining

 

The laser company Ekspla is introducing a new picosecond high power UV laser. The Atlantic UV30 industrial picosecond laser is capable of producing 30 W of output power at 355 nm.

The innovative design employing a fiber based oscillator ensures excellent output beam parameters: M2 < 1.3 with pulse energy fluctuations < 1 %. All optical components are placed in a sealed monolithic block which ensures a reliable 24/7 operation. In the industrial market, increased reliability and reduced running costs of high power and UV components are critical. The optical layout of the Atlantic UV30 harmonic module is optimised for longevity and stable operation in the UV range. As a result, the UV optics have a guaranteed life-time of 8000 hours which is more than 11 months 24/7 service-free operation.

The short 10 ps pulse duration minimises the heat-affected zone of the processed material. The laser can be adapted for tough processes like OLED cutting, sapphire processing and ceramics micromachining because of the high 75 µJ pulse energy in the UV range. Furthermore, the Atlantic UV30 has a negligible change in the spatial beam characteristic over a wide output power range. Thus, it delivers a cost saving flexibility to use the same system for numerous operation modes and for processing of various materials.

The high (up to 1 MHz) repetition rate enables this laser to be used in high throughput material processing systems requiring speed and precision. To tailor laser performance for specific applications, advanced electronics facilitate important features like external synchronisation and precise triggering with jitter of 7 ns (RMS) as well as analog AOM pulse control which helps to change the energy of pulses in real time with immediate response.

Ekspla employed all its 25 years of experience by building an advanced optical laser layout: a long-life fiber master oscillator combination with amplification stages placed in a sealed monolithic block is thus ensuring stability and resistance to possibly negative ambient conditions. Each Atlantic UV30 laser produced at Ekspla passes strict quality control tests and inspection procedures. Every single unit is checked for vibration resistance, operationally tested at different environment temperature and humidity, as well as subjected to high temperature (up to 70 °C) thermo-cycling. Prior to shipment, Ekspla performs extensive testing to verify multiple external and internal laser parameters to ensure the lasers are meeting their technical requirements.

 

Tab 2

Specifications1)

 Version
Atlantic UV30
Wavelength 355 nm2)
Repetition rate3) 400 kHz to 1000 kHz (tunable within full range)
Average output power at 400 kHz4) > 30 W
Pulse energy at 400 kHz5) > 75 µJ
Pulse energy contrast > 1000:1
Power fluctuations over 8 h after warm-up when RT < ± 2 °C (Std. dev.) < 1.0 %
Pulse energy stability at 400 kHz (Std. dev.) < 2.5 %
Pulse duration (FWHM)6) 10 ± 3 ps
Polarization linear, vertical, 100:1
M2 < 1.3
Beam circularity (far field) < 0.85
Beam divergence (full angle) < 1.0 mRad
Beam pointing stability (pk-to-pk)7) < 50 µRad
Beam diameter (1/e2) at 50 cm distance from laser aperture 2.0 ± 0.3 mm
Triggering mode internal/external
Pulse output control frequency divider (down to single shot), arbitrary pulse selection, power attenuation
Operating requirements
Mains requirements 208/230 V AC selectable, single phase 50 or 60 Hz
Power < 3.5 kW
Operating ambient temperature 18 - 27 °C
Operating temperature stability within the operating temperature band < ± 2 °C
Relative humidity 10-80 % (non-condensing)
Air contamination level ISO 9 (room air) or better
Physical characteristics
Laser head size (W x H x L) 367 × 173 × 1000 mm
Power supply unit size (W x H x L) 553 × 1019 × 867 mm
Umbilical length 4 m
Classification
Classification according to EN60825-1 CLASS 4 laser product

1) Due to continuous improvement, all specifications are subject to change without notice. For latest product information please visit EKSPLA. 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.

2) Single wavelength output.

3) The pulse repetition rate can be factory pre-set to a single requested frequency or remain tunable in the entire specified range. Lower pulse repetition rates are available using a pulse gating system (included in the standard configuration).

4) See typical power curve for other pulse repetition rates.

5) See typical energy curve for other pulse repetition rates.

6) Measured at 1064 nm fundamental wavelength.

7) Defined as short term < 2 min beam angular stability.

 

Tab 3

Tab 3 Inhalt

Tab 4

Tab 4 Inhalt

Tab 5
Bild 1
 Typical view of Atlantic UV30 laser head
Beschreibung 1
Typical view of Atlantic UV30 laser head
Bild 2
 Typical dependence of output power on the repetition rate for the Atlantic UV30 laser
Beschreibung 2
Typical dependence of output power on the repetition rate for the Atlantic UV30 laser
Bild 3
 Typical dependence of pulse energy on the repetition rate for the Atlantic UV30 laser
Beschreibung 3
Typical dependence of pulse energy on the repetition rate for the Atlantic UV30 laser
Bild 4
 M<sup>2</sup> measurement of 355 nm wavelength at 34 W average power, 400 kHz repetition rate (Atlantic UV30)
Beschreibung 4
M2 measurement of 355 nm wavelength at 34 W average power, 400 kHz repetition rate (Atlantic UV30)
Bild 5
 Typical long term 355 nm average output power stability of Atlantic UV30 under constant environmental conditions
Beschreibung 5
Typical long term 355 nm average output power stability of Atlantic UV30 under constant environmental conditions
Bild 6
 Beam profile 355 nm in far field at 34 W max average power with different attenuation conditions
Beschreibung 6
Beam profile 355 nm in far field at 34 W max average power with different attenuation conditions
Bild 7
 Atlantic UV30 laser head outline drawing
Beschreibung 7
Atlantic UV30 laser head outline drawing
Bild 8
 Atlantic UV30 power supply outline drawing
Beschreibung 8
Atlantic UV30 power supply outline drawing
Bild 9
 
Beschreibung 9
 
Bild 10
 
Beschreibung 10