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Lasers

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Old Dominion University is always looking for ways in which professors of different disciplines can work together. Professor Mournir Laroussi, (left) electrical and computer engineering and Assistant Professor Venkat Maruthamuthu, mechanical and aerospace engineering, have found a way to generate a diffused plasma inside a chamber without applying any electrical power to the chamber. Since there are no electrodes inside the chamber, there is no contamination and no need for electrode replacement. Photo Chuck Thomas/ODU

Mellannia Amplified Femtosecond Ti:Sapphire Laser

Femtosecond Ti:Sapphire Laser

Mellennia Ampliefied Femtosecond Ti: Sapphire Laser
Mellennia Ampliefied Femtosecond Ti: Sapphrie Laser

Specifications

Millennia

Tsunami 3941-M1S

Spitfire

Spectra-physics

Darwin-527-30-M

Quantronix

Pulse Energy

2 mJ

Pulse Duration (FWHM)

80 fs

Repetition Rate

1.0 KHz

Center Wavelength

800 nm

Integra Amplified Femtosecond Ti:Sapphire Laser

Integra Amplified Femtosecond Ti:Sapphire Laser

Specifications

Ti-Light oscillator

Integra-E-USP laser amplifier

Darwin-30 pump laser

Quantronix

Pulse Energy

Q2.5 mJ

Repetition Rate

1.0 KHz

Pulse Duration (FWHM)

60 fs

Center Wavelength

800 nm

Contrast Ratio (pre/post pulse)

> 500:1

Pulse-to-pulse Stability

< 1% rms


Excimer Laser

COMPExPro 50 Excimer Laser (Coherent)

Excimer

Specifications

Laser medium

ArF

Wavelength

193 nm

Maximum Pulse Energy

100 mJ

Maximum Average Power

4 W

Maximum Repetition Rate

50 Hz

Energy Stability (1 sigma)

1%

Pulse Duration (FWHM)

20 ns

Beam Dimensions (V x H)

14 x 15 mm

Beam Divergence (V x H)

2 x 1 mrad


Nd:YAG Q-switched Laser

Surelite SLII-10 Nd:YAG Q-switched Laser (Continuum)

Surelite SLII-10 Nd:YAG Q-switched Laser (Continuum)

Specifications

Wavelength

1064 nm

Pulse Energy

650 mJ

Repetition Rate

10 Hz

Pulse Duration (FWHM)

5-7 ns

Beam Diameter

7 mm

Energy Stability

2.5±0.8%

Beam Divergence

0.5 mrad


Nd:YAG Laser

JK-700 Series Nd:YAG Laser (Lumonics)

JK-700 Series Nd:YAG Laser (Lumonics)

Specifications

For welding and machining

Pulse Energy

100 J

Repetition Rate

500 Hz

Pulse Width

100 µs - 20 ms