Equipment / Facilities

Blue-Laser Directed Energy Deposition (Blue-DED)

• 1 kW continuous-wave laser at 445 nm, optimized for high-reflectivity metals (e.g., pure Cu)

• Dual powder feeders for multi-material builds (pure copper and Inconel 718)

• Multi-sensor process monitoring

  • On-axis: APD array and CMOS camera

  • Off-axis: optical emission spectroscopy (OES), multispectral camera, and LWIR camera

• Real-time closed-loop control of melt pool temperature, emission, and size

Femtosecond Laser Processing System

• 8 W, 300 fs pulsed laser at 1040 nm (4 W at 520 nm also available)

• Objective-lens processing with 5×, 10×, and 20× magnifications for precision machining

• Galvano-scanner processing over a 110 mm × 110 mm area

• In-situ monitoring with APD array, CMOS camera, and OES

• In-line optical microscope for on-machine inspection

Thermoreflectance Systems for Thermal Characterization

• Steady-state and frequency-domain thermoreflectance (SSTR/FDTR)

• Non-contact measurement of thermal conductivity and interfacial thermal conductance

Simulation and AI/ML Workstations

• Multiphysics FEM simulation with COMSOL and ANSYS

• GPU workstation with dual NVIDIA GeForce RTX 5090s for PINN training and data-driven process modeling