NWR Products

UP193HE
Deep-UV Excimer

Homogenized Excimer
Laser Ablation

New Wave Research introduces its 2^nd generation excimer laser ablation system with full beam homogenization.

Craters in quartz having <10nm flatness have been demonstrated making the UP193HE (Homogenized Excimer) the preferred choice for diamonds, inclusions and other highly transparent materials.

Features

<10nm flatness in quartz achieved.
The has the highest energy density available
     - to 35J/cm²
2% stability
Broadest spot size range - 4 to 270µm
Closed-loop control via ICP-MS, IRMS
Sample Map Navigation for up to 50mm virtual
    FOV (field of view) of samples
Motorized zoom magnification to 1200X
Real-time measurement of energy & energy density
Pulse rates from 1 to 50Hz - continuous pulsing,
      single shot and burst modes.

Features

Gemstones, diamonds
Geochemical analysis of fluid inclusions, zircons,
      calcite, apatite, basalt
Forensic analysis of plastics, glass, ceramics
Laser fluorination (e.g., 18O/16O, 17O/16O,
     34S/32S, 33S/32S)
Rare gas isotope ratio measurements
     (e.g., 40Ar/39Ar dating)

AFM image of 60mm crater with 16nm flatness

Merchantek Laser Ablation Software

	Specifications
	Laser output	193nm flat-beam
	Energy density	To 35 J/cm²
	Pulse Rate	1-50 Hz (water cooling required above 20Hz)
	Energy Stability	2% - closed loop controlled
	Energy Stabilization Module	Energy Stabilization Module Built-in energy monitor with closed loop control of the energy; includes display. Monitor is calibrated only once during system installation, then annually.
	Homogenization	Dual homogenizer micro-lens arrays coupled to internally homogenized Existar excimer laser.
	Spot size	4 -272µm
	Spot selections	12 pre-calibrated, software selectable spot sizes
	Pre-ionization	Corona Preionization resulting in higher pulse-to-pulse stability & a highly homogenous beam profile
	Software Control	Manual control and software control via Merchantek, Ver.1.5 software operates on Windows 98, 2000, NT & XP with • Bi-directional control between MS and UP193HE. • Includes 50mm FOV sample mosaic navigation, 3D contour following and other functions. (See software function list)
	Optical magnification	Motorized variable zoom with 5.6 to 36X optical magnification
	Camera	Color CCD and frame grabber-operates from mass spectrometer's computer.
	Lighting	Reflected, transmitted & ring
	Polarizers	Rotating cross-polarizers, standard feature
	Solenoids	Automated solenoids - purge, bypass and on-line.
	Microscope	(Optional) Nikon microscope head with 15X eyepieces
	Auto-focus	(Optional) diode laser-based auto-focus.
	Sample chamber	Cassette style, sample chamber measures 60 mm ID X 50 mm inside height for thin sections, thick sections and standards. User can view sample directly.
	Stages	Sub-micron resolution of X, Y and Z axes; 52mm travel on X & Y
	Mobile	Mobile cart with wheels and vibration-dampening foot-locks.
	Gas Consumption per Gas Exchange	Beam path
	Static gas life	10 days between refills
	Dynamic gas life	4 million pulses between refills
	Beam path	Sealed for nitrogen purging.

Firmware and Software

Windows, 95, 98, 2000 and NT compatible based software
6 on-board microprocessors
On-screen scales and cursors for measuring features and distances
Video image and virtual control panel displayed on ICP-MS computer screen
Capture and store images as .BMP, TIF and TGA files, no need for video printer
Bi-directional control software: excimer <=> mass spectrometer via Resident Universal
Communications Protocol™
Point & shoot targeting independent of stage position
Single shot, continuous and burst pulse modes
Pre-targeting capacity: single points 4000, traverses 8000 mm, raster areas 25 sq cm.
Multipass pre-ablation and soft ablation functions
Inclusion excavation routines
Automatic recoordination of files digitized off-line
Sample Mapping function

Sample Handling

XY motion control each with 52 mm travel submicron resolution for precise positioning and high
repeatability when targeting inclusions
Standard insert for full size slides, thin sections and thick sections
Head-down joystick control

Enclosure

Class 1 enclosure with safety interlocks and remote interlocks
Fully integrated mobile cart contains laser, beam delivery, sample handling and imaging apparatus.
100 - 240VAC

Options

Computer & 17" monitor
Binocular microscope head
Auto-focus
Glitter / Lamtrace Time Resolved Analysis Software accepts data output from mass spec
and performs calculations on a time resolved format with multiple internal standards.