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Laser Measurement Instruments > Spiricon Beam Profilers > Slit-Based Profilers > High Power NanoScan

NanoScan for High-Power Beam Applications

Measure focused CO2 laser beams up to 5 kilowatts
Ideal for measuring lasers operating with pulse width modulation (PWM) power control.
Q-switched lasers and other higher frequency pulsed lasers

Description

Specifications

Ordering Info

Catalog/Manual

Download Data Sheet.

Photon’s High-Power NanoScan can measure focused CO2 laser beams up to 5 kilowatts. The High-Power NanoScan is equipped with a pyroelectric detector with copper slits and drum. A cooling fan mounted on the scan head body provides additional heat management. With the new “peak connect” algorithm and the software controlled variable scan speed, the High-Power NanoScan is ideal for measuring lasers operating with pulse width modulation (PWM) power control. Measurement of Q-switched lasers and other higher frequency pulsed lasers is also possible using this feature.
What Can be Measured?
Photon’s High-Power NanoScan is designed to measure “high-power” laser beams that were previously impossible to measure with standard NanoScan products. High-Power is a fairly indistinct term that means different things in different contexts. For our purposes, “high-power” is defined as between 100W and 5000W, however the High- Power NanoScan will not be able to measure this power range for all wavelengths. High-Power laser beams are handled by using reflective materials, and the level of reflectivity, and thus its inverse, absorption, are dependent on the wavelength of the laser light. In general the long infrared wavelengths, such as that of the carbon dioxide laser at 10.6microns, are highly reflective. These allow for the highest power measurements up to the maximum levels of several kilowatts. When measuring these lasers and power levels the principle concern is the heat buildup in the scan head. The surfaces of the measurement drum and slits are better than 98% reflective to this wavelength, and thus only 2% of the incident power will be absorbed by the scanhead and heat it up. Nonetheless, at 5000W this represents a heat load of 100W that will raise the temperature of the internal components, which may cause damage to the detector and encoder electronics. The High-Power NanoScan is designed to be used for short-term measurements at these power levels. The beam should only be incident on the scan head for a few seconds. The software is equipped with a record mode that makes it easy to make a short measurement and then review the data while the scanhead is allowed to cool down. Measuring high-power beams can be tricky. The lasers have the potential to damage the scan head, and any reflected light can be dangerous to both the operator and the surroundings. The High-Power NanoScan can measure these beams because it uses a combination of highly reflective components with high thermal dissipation capability. It is important to manage the reflected beam so that it neither reenters the laser cavity nor sends stray beams into the surrounding area. The High-Power NanoScan scan head has been shown to be able to handle power densities of 3.2MWcm-² at 10.6μm, the power density of a 200μm beam at 1kW. At the shorter wavelengths of the other common industrial lasers, Nd:YAG and DPSS, the upper limits are little less, due to the slightly lower reflection of the components at wavelengths around 1000nm. Visible and UV lasers can also be measured, but these will have lower limits yet. Consult the damage thresholds charts found in the manual before placing an order or exposing any NanoScan slit profiler to a laser beam.

Software 32/64 Bit Compatibility

NanoScan Exposure Limit Calculator

High Power NanoScan Configurations

Detector Type	Power Range	Wavelength	Aperture	Slits	Scan Head Size
Pyroelectric	~1W - ~5W upper limit dependent on wavelength	190nm - > 100μm	9mm	5µm	100mm
Pyroelectric Large Aperture	~1W - ~5W upper limit dependent on wavelength	190nm - > 100μm	20mm	10µm	100mm

High Power NanoScan Operating Spaces

NanoScan Acquisition and Analysis Software

*Feature		NanoScan Standard	NanoScan Professional (all features in Standard plus)
Controls
Source	ScanHead Select, Gain, Filter, Sampling Resolution, AutoFind, Rotation Frequency, Record Mode
Capture	Averaging, Rotation, Magnification, CW or Pulse Modes, Divergence, Gaussian Fit, Reference Position, Recompute
Regions of Interest (ROI)	Single or Multiple, Automatic or Manual, Colors
Profiles	Vertical Scale (1´, 10´, 100´), Logarithmic Scale, Z & PAN (Automatic or Manual)
Computation: ISO 13694, ISO 11146	D_slit, (13.5%, 50% 2 User Selectable Clip Levels), D_4Ó, Width ratios, Centroid Position, Peak Position, Centroid Separation, Peak Separation, Irradiance, Gaussian Fit, Ellipticity, Divergence, Total Power, Pulse Frequency, % power
	Continuous, Rolling, Finite
Pointing	Centroid or Peak, Accumulate Mode, Beam Indicator, Graph Center, Colors
2D/3D	2D or 3D Mode, Linear or Logarithmic Scale, Resolution, Fill Contours, Solid Surface, or Wireframe, Clip Level Colors
Charts	Chart Select, Parameter Select, Aperture Select, Update Rate, Start and Clear
Logging	File Path/Name, Delimiter, Update Rate
M²	Rail Setup: Com Port and Length, Connect/Disconnect, Rail Control
Views
Profiles	Displays Beam Profiles for each axis, with optional Gaussian Overlays
Results	Displays Values and Statistics for Selected results
Pointing	Displays the XY position of the Centroid or Peak for each ROI , with optional overlays and Accumulate Mode
Charts	Displays Time Charts for User-selected results
2D/3D	Displays pseudo 2D/3D Beam Profile
M² Wizard	An interactive procedure for measuring M2 by the Rayleigh Method
File Saving
NanoScan Data Files
Text Files
Data Logging
Log to File
Reports
NanoScan Report
Automation Interface
ActiveX Automation Server
Minimum System Requirements
PC computer running windows7 (32/64) Laptop or Desktop
Core CPU 2GHz or better
1 USB 2.0 port
At least 250MB free HDD space
1440x900 Display Resolution or greater
Add-in PCI/PCI-Express graphics card w/hardware acceleration
DVD-ROM drive

*Download the NanoScan Acquisition and Analysis Software Manual for a complete description of all Software Features

Ordering Information - High Power NanoScan

All High-Power NanoScan Systems Include: Fan cooled scanhead. For use at wavelengths from 200nm to greater than 20μm. Maximum power capacity is dependent on wavelength and spot size. Refer to operating space charts for more information. Slits and scan drum are highly reflective and user must send reflected energy into appropriate dump. A direct back reflection may cause laser cavity to oscillate or if not properly directed may cause damage. User must handle all back-reflected energy from laser. NanoScan Integrated Software package.
Measurements include: spot size, position and position difference information and laser profiles. Includes "peak connect" and software control of scan speed for measurement of pulsed and pulse width modulated (PWM). Software includes ability to capture and record bursts of data and ActiveX automation.
USB 2.0 Controller allows NanoScan to interface to USB 2.0 port of laptop or desktop PC.


Item	Description	P/N

USB HP-NS-PYRO/9/5-STD	High-Power NanoScan scanhead with 9mm Pyroelectric Detector 5μm slits for use with higher power beams. High-resolution profiler featuring pyroelectric detector, 100mm diameter scanhead with rotation mount and matched pair of 5-μm wide slits. Use to measure spots 20μm and larger (1/e2 diameter) directly. Works with CW and pulsed beams with rates greater than 2kHz. Actual minimum pulse rate is dependent on beam size and scan rate. USB	PH00399

USB HP-NS-PYRO/9/5-PRO	Software includes automation feature. High-Power NanoScan scanhead with 9mm Pyroelectric Detector 5μm slits for use with higher power beams. High-resolution profiler featuring pyroelectric detector, 100mm diameter scanhead with rotation mount and matched pair of 5-μm wide slits. Use to measure spots 20μm and larger (1/e2 diameter) directly. Works with CW and pulsed beams with rates greater than 2kHz. Actual minimum pulse rate is dependent on beam size and scan rate. USB	PH00028

USB HP-NS-PYRO/20/10-STD	High-Power NanoScan scanhead with 20mm Pyroelectric Detector 10μm slits for use with higher power beams. High-resolution profiler featuring pyroelectric detector, 100mm diameter scanhead with rotation mount, 20 mm entrance aperture, and matched pair of 10-μm wide slits. Can measure spots 50 μm and larger (1/ e2 diameter) directly. Works with CW and pulsed beams with rates greater than 2kHz. Actual minimum pulse rate is dependent on beam size and scan rate. USB	PH00398

USB HP-NS-PYRO/20/10-PRO	Software includes automation feature. High-Power NanoScan scanhead with 20mm Pyroelectric Detector 10μm slits for use with higher power beams. High-resolution profiler featuring pyroelectric detector, 100mm diameter scanhead with rotation mount, 20 mm entrance aperture, and matched pair of 10-μm wide slits. Can measure spots 50 μm and larger (1/ e2 diameter) directly. Works with CW and pulsed beams with rates greater than 2kHz. Actual minimum pulse rate is dependent on beam size and scan rate. USB	PH00027

NH-HP-NS/9/5-STD	Head only High-Power NanoScan 9mm aperture 5μm slits	PH00415

NH-HP-NS/9/5-PRO	Head only High-Power NanoScan 9mm aperture 5μm slits	PH00044

NH-HP-NS/20/10-STD	Head only High-Power NanoScan 20mm aperture 10μm slits	PH00414

NH-HP-NS/20/10-PRO	Head only High-Power NanoScan 20mm aperture 10μm slits	PH00043

		Beam Profilers Catalog 107 pages (8.12 MB )
		High Power NanoScan v2 Manual 16 pages (640 KB )
		NanoScan V2 Manual 195 pages (6.5 MB )

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