What is LaseView-LHB ？
LaseView-LHB is a Laser Beam Profiler for large diameter and high power laser beams working on Windows systems.Thanks to a newly-developed optical setup, it is the first product to provide measurements for both large diameter and high power laser beams. This versatile lone product offers a wide range of applications.
It works with the LaseView software, which is known for its great usability.
Equipped with different analysis capabilities, it is a very easy-to-use Laser Beam Profiler.
It works with the LaseView software, which is known for its great usability.
Equipped with different analysis capabilities, it is a very easy-to-use Laser Beam Profiler.
Fig: 808nm single-mode semiconductor laser’s diverging light
(FWHM: 14.4mmx2.3mm)
Features
- Measures easily the beam profile and diameter
- Can measure from small to large diameters (1mm – 200mm)
- Can measure high powers (0.1W/cm2 – 100 W/cm2)
- Includes speckle reduction function (patterns of bright and dark spots)
LaseView software Features
- Measures M2 beam quality
- Measures the beam Divergence Angle
- Evaluation of the beam power, beam profile between 2 points, and beam diameter changes available
- Measures the beam Pointing Stability over time
Measuring a beam with a diameter of about 15 mm and the software screen
Measuring multi-point beam and software screen
LaseView-LHB lineup
Comparison between LaseView-LHB and conventional products
For high power
Left : Laser Beam Profiling with dumped system.
Right: Laser Beam Profiling with at one time with LaseView-LHB.
Fig: (by ASUKA MEDICAL Inc）
Conventional Laser Beam Profiling measurement with high power laser needed damping system because CCD camera may be easily destroyed.
LaseView-LHB can measure as much as maximum 100 W/cm2 laser beam without additional attenuation system by using a newly designed optical system.
It simplifies optical system and prevents introducing distortion on laser beam.
LaseView-LHB can measure as much as maximum 100 W/cm2 laser beam without additional attenuation system by using a newly designed optical system.
It simplifies optical system and prevents introducing distortion on laser beam.
For large diameter
Left : Laser Beam Profiling by divided measurement.
Right: Laser Beam Profiling at one time by LaseView-LHB.
Fig: (by ASUKA MEDICAL Inc）
Until now, Laser Beam Profiling measurement with large diameter has required measuring by dividing it in several parts by making manual movement on the conventional profiler. It takes time and energy and also, divided measurement makes laser relative intensity unclear. LaseView-LHB solves such problems and it becomes possible to make large Laser Beam Profiling at one time.
Scanning laser measurement
Laser analysis of LiDAR using multiple LHBs
Because the aperture is wide, laser scanning light can be measured with a laser scanning unit without moving the Laser Beam Profiler. Not only the beam profile but also the position of the laser beam can be accurately identified, making it ideal for performance evaluation.
Main Analysis Functions
Ｍ2 beam quality Analysis function
It is an important parameter for focus or processing, it can be easily measured with standard methods. The procedure of the optical system setting is described below:
M2Fig: M2 measurement screen
- The laser beam shall be focalized through a lens with f-number (focal length/beam diameter)between ~50 to ~100.
- Install a ruler or an optical rail along the beam so that the CCD camera can slide in a range of ±50mm～±150mm around the beam waist.
- click on the “Collective analysis” of the “M2 beam quality” tab.
See the “About Laser Beam Profiler” tab for more information.
Divergence angle Analysis function
Beam divergence angle is an important parameter for light propagation characteristics which can be easily measured with a standard method. Its measurement’s procedure is described below:
Fig: Beam divergence angle measurement screen
- Measurements taken at 2 or more positions shall be saved in the same folder.
- Click the “Divergence angle” button of “Collective analysis” tab.
In addition, as the measurements are made at different places, it is possible to evaluate the change in power and thus the propagation loss.
Beam pointing variation Analysis function
The Beam pointing stability varies with time and is an important parameter for Laser Beam stability which can be easily measured with a standard method. Beam pointing measurement procedure is described below.
Fig: Beam pointing stability screen
- Use the image logging function, and save images taken at an appropriate time interval.
- Click the “Pointing” button.
- Click the “Execute analysis”.
The changes over time of X and Y coordinates of the beam centroid will be displayed in a graph.
Multi-point analysis function in LaseView
LaseView's multi-point analysis function (Japanese)
Simultaneously analyze multiple beam spots with one camera. (See video)
Case1:Analysis usage example with multiple “LHB”
Fig: 90 degrees in the circumferential direction
Case2:Analysis usage example with multiple “LHB”
Fig: For the quarter in the circumferential direction, put 4 pieces together
Case3:Analysis usage example with multiple “LHB”
Fig: Stack four vertically
Case4:Analysis usage example with multiple “LHB”
Fig: Arrange in 2 rows and 2 rows
Application
- Beam profile measurement for large diameter
- Beam profile measurement for high power laser
- Measurement for Laser far field pattern (FFP)
- Measurement for Laser near field pattern (NFP)
- Beam profile measurement for laser processing
- Beam profile measurement for surgical laser
- Measurement and evaluation of CW (continuous wavelength) and pulse LED emission
- Measurement and evaluation of beam of semiconductor laser emission
- Measurement and evaluation of beam of optical pick-up sources
- Measurement and evaluation of NA of optical fiber
- Measurement of propagation loss, beam profile or divergence angle for artificial star and distance measurement laser devices of astronomical telescopes
- Lensometer
- Beam monitoring system of long-distance propagating laser
- Beam profile measurement of laser scanning unit
- Scan laser position measurement
- For confirmation of Lidar laser
- Lidar rating
- RGB laser source position and beam profile measurement
- For confirmation of laser projector
Sales results
- Tokyo Institute of Technology
- Saga University
- Japan Coast Guard（JCG）
- Japan Aerospace Exploration Agency（JAXA）
- National Institutes for Quantum and Radiological Science and Technology（QST）
- Japan Atomic Energy Agency（JAEA）
- More than 10 domestic private companies
- More than 2 overseas private companies
