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Raymond Rumpf

Professor, Innovator, Author, Researcher

  • Course Offerings
    • Academic Materials
    • EMPossible Courses
  • Research
    • EMLab
    • Hybrid 3D Printing
    • 3D Printed Electronics
    • Spatially Variant Lattices
    • Photonics
    • Electromagnetics
    • Computational Electromagnetics
    • EMLab Capabilities
  • Publications
  • News
  • About Dr. Rumpf
Contact Us

EMLab Capabilities

The EMLab hosts a wide variety of test and fabrication capabilities, many of which are listed below. For specific equipment or capability questions, please contact us at info@raymondrumpf.com

Design & Simulation

Commercial and Open-Source Electromagnetic Simulation Software
  • Ansys HFSS
  • MIT Meep
  • Numerical Electromagnetics Code
Computer-Aided Design (CAD) Tools
  • SolidWorks
  • Blender
  • MeshLab
Other Commerical Software
  • MATLAB
  • LabView
Custom Electromagnetic Tools – Our custom tools execute much faster and incorporate more physics (such as bi-anisotropy) than commercial packages.
  • Finite-Difference Time-Domain (FDTD)
  • Finite-Difference Frequency-Domain (FDFD)
  • Beam Propagation Method (BPM)
  • Slice Absorption Method (SAM)
  • Plane Wave Expansion Method (PWEM)
  • Transfer Matrix Method (TMM)
  • Rigorous Coupled-Wave Analysis (RCWA)
  • Method of Lines (MoL)
  • Method of Moments (MoM)
Custom Optimization and Geometry Generation Tools
  • Synthesis of Spatially-Variant Lattices
    • Attributes that can be spatially varied: unit cell orientation, lattice spacing, fill fraction, material composition, lattice symmetry, and pattern within the unit cell.
    • Output: STL files
  • Transformation Optics (TO)
  • Fast Marching Method (FMM)
  • Level Set Methods (LSM)
  • Particle Swarm Optimization (PSO)
  • Genetic Algorithms (GA)
Computer Resources
  • Dell Precision Workstation T7600, 16 cores, 196 Gb RAM
  • Dell Precision Workstation T7500, 12 cores, 96 Gb RAM, 6 Gb Tesla GPU
  • Dell Precision Workstation T7500, 8 cores, 96 Gb RAM, 6 Gb Tesla GPU
  • Four Dell Precision T5810 Workstations, 6 cores Xeon 3.5 GHz, 32 Gb RAM
  • Dell Precision Workstation T3610, 12 cores, 16 Gb RAM
  • More than a dozen dual-monitor workstations for students
  • Dedicated EM Lab BLADE Cluster
    • Five Machines: 32 Gb RAM, 12-core Xeon
  • UTEP Clusters

3D Printing and Manufacturing

nScrypt 3Dn-Tabletop Hybrid 3D Printer
  • nScrypt Fused Deposition (nFD)
  • nScrypt Micro-Dispensing
  • 200 W pulsed CO2 laser for trimming, cutting and drilling
  • 200 W CW CO2 laser for curing and sintering
  • All above capabilities available simultaneously
  • Part resolution: < 50 micrometers
  • Build volume: 15L x 10W x 10H cm
Ultimaker 3
  • Dual nozzle FDM
  • Heated glass bed (max 100o C)
  • Resolution: 12.5 microns XY and 2.5 microns Z
  • Build volume: 21.5 L x 21.5 W x 20 H cm (single nozzle)
  • Build volume: 19.7 L x 21.5 W x 20 H cm (dual nozzle)
MakerBot Replicator 2X
  • Dual head FDM
  • Heated metal bed
  • Build volume: 24.6 L x 15.2 W x 15.5 H cm
GMW Model 3473 Electromagnet
  • Generates > 3 Tesla
  • Magnetic studies
  • Particle alignment during curing

Testing & Measurement

Materials Characterization
  • Measurement Capabilities: permittivity, permeability, loss tangent, and dielectric breakdown
  • Waveguide Materials Measurement
    • 1.72 – 2.60 GHz, WR 430, 109.22 L x 54.61 H x 35.56 W mm
    • 8.2 – 12.4 GHz, WR 90 X Band, 22.86 L x 10.16 H x 7.62 W mm
    • 12.4 – 18.0 GHz, WR 62 Ku Band, 15.80 L x 7.90 H x 5.08 W mm
  • MuEpsln Materials Measurement System (previously Damaskos)
    • Model 015 thin dielectric sheet tester: 7 data points, 0.4 to 6.0 GHz
    • Model 125HC thin dielectric sheet tester: 5 data points, 6.0 to 12.0 GHz
    • “Cavity” software
    • Sample size: < 1 mm thick, > 6×6 cm wide
    • Accuracy better than 1.5% when sample thickness is less than 1 mm and dielectric constant is less than 10
  • ViTREK V63 AC/DC/IR Safety Analyzer: 5 kVAC, 6 kVDC
Device Inspection and Repair
  • Matter and Form 3D Scanner
    • Color scans
    • Max Size: 18 cm diameter, 25 cm height
    • Max Weight: 3 kg
    • Scan Time: 5 minutes (high-speed), > 10 minutes (high-quality)
    • Accuracy: 430 microns (high-speed), 250 microns (high-quality)
  • Digital microscope with measurement capability
  • Micromanipulator probe station
  • Numerous Microscopes
  • Weller EC2002M professional soldering station
Electromagnetic Testing
  • Anechoic Chamber
    • Full 360° coverage
    • Room Size: 27 L x 12 W x 10 H feet
  • EMI shielded room for low noise testing
  • Agilent N5245A PNA-X Vector Network Analyzer
    • 10 MHz to 50 GHz
    • Four ports
    • Time-domain
    • Materials measurement
  • Keysight Vector Signal Analyzer/Generator
    • M9018A 18-slot PXI chassis
    • M9036A PXI embedded controller
    • M9381A PXIe vector signal generator
    • M9391A vector signal analyzer
    • M9099 waveform creator
    • 89601B vector signal analyzer sofware
    • M909XA X-series measurement applications
    • Signal studio software
    • N7618B WLAN signal studio app
    • N7624B LTE-FDD signal studio app
  • Two HP E4411B Spectrum Analyzers
    • 9 kHz to 1.5 GHz
  • Frequency Synthesizers
  • Agilent B3006A Microwave System Amplifier
    • 0.01 GHz to 26.5 GHz
Electrical and Electronics Testing
  • Oscilloscopes
  • Power Supplies
  • Digital Multimeters
  • Function Generators
  • Wide Assortment of Components and Supplies
Facilities
  • Anechoic Chamber
  • Access to open desert areas

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