LASER SYSTEMS

CO2 Lasers

• Rofin Sinar Model 820, continuous-wave CO₂ gas laser in a power range 200 to 2000 watts
• Control Laser model IL 1500, continuous and pulsed CO₂ gas laser in the power range 100 to 1500 watts
• Lumonics Model TEA 103-2 CO2 laser with a capability of 15J/50W

Nd:YAG Lasers

• International Laser Machines Corporation model 1420Y, pulsed Nd:YAG laser with 400 watts average power, 50 Joules/pulse, 1-200 Hz repetition rate, and 0-20 ms pulse width
• Quantronix Model 116, CW/Q-switched, 50W CW power
• Quantel Model 480, Q-switched, 400 mJ energy capability
• LaserSonics, CW, 100W power capability
• Wec Corporation, 2 Joules pulsed Nd:YAG laser
• Lee Laser, CW/Q-switched, Gaussian Beam, 12 W GW 

Diode Laser

• Optopower Corporation Diode, CW/Pulsed, 30W CW power

Excimer Laser

• Lambda Physik model LPX 110i with a maximum pulse energy of 300 mJ at KrF-248 nm wavelength, maximum average power of 20 watts, and a repetition rate of 100 Hz

Ti: Sapphire Laser

• Spectra-Physics model Hurricane X, 100-fs pulsed laser, 1 mj, 1 kHz, diode-pumped laser

He-Ne Lasers

• Several He-Ne lasers with powers 2 mW to 10 mW

OPTICS AND OTHER ACCESSORIES

• Optics and beam delivery systems for steering the CO2 and YAG beams
• Optics and integrators to produce various beam configurations
• Optical scanner for oscillation of the beam
• UV flashlamp
• Energy and power meters
• Fiber optics
• Oscilloscopes
• Optical table
• Powder feed device for surface modification
• Gas jet nozzles for improved laser cutting and welding
• Data acquisition systems

WORKSTATION

• Five X-Y-Z positioning tables with a travel of 24 in. x 24 in. x 6 in. with an accuracy of 0.0001 inch per inch of travel and speeds of up to 1000 in./min
• 10 in. diameter rotary table
• Tilting of rotary table to within five arcseconds
• 18-in.-diameter and 6-in.-high metal vacuum chamber with six ports
• Micromachining work stations

COMPUTER NUMERICAL CONTROLLER

• Silicon Graphics O2
• Allen Bradley Model 8400 controller for five-axis motion control
• Linear, circular, and helical interpolations
• Basic laser function controls
• 32K memory
• Color graphics
• Floppy disk
• Software package for part scaling and character generation

SUPPORTING LABORATORIES

• CAD/CAM
• Robotics
• Manufacturing
• Material Testing
• Tribology
• Metallography and Microscopy
• Materials Analysis (Engineering Research Institute)
• Ames Materials Laboratory (Department of Energy)