Laser beam
analyzers
Profilometers and Autocorrelators
Laser beam analysers
Laser beam profilometer:
A laser beam profilometer is used to measure the shape and characteristics of the laser beam. It is mainly used in the analysis of beam parameters such as beam diameter, focal length, intensity, energy profile, etc. A laser beam profilometer is useful in the calibration and characterization of lasers and in the optimization of optical systems.
Autocorrelators:
The autocorrelator is a tool used in the study of ultra-short laser pulses, especially those with a duration of femtoseconds (10^-15 seconds) or picoseconds (10^-12 seconds). Its main task is to measure the duration of laser pulses and the temporal characteristics of the beam. Based on the autocorrelation results, the pulse duration and time characteristics such as the pulse intensity versus time curve can be determined.
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ULTRA-FAST APE AUTO-CORRELATOR
APE's Ultrafast Autocollerator is used to characterize ultrafast laser pulses. Equipped with a built-in two-photon absorption (TPA) detector, this autocorrelator is ideal for measuring ultrafast femtosecond and picosecond laser pulses with wavelengths from 700 to 1100 nm.
The highly sensitive TPA detector allows ultrafast laser pulses to be measured with high sensitivity, eliminating the need to tune the SHG nonlinear crystal angle. APE's ultra-fast autocollerator is designed in a compact package and can be mounted on an adjustable optical mount for easy incorporation into any ultra-fast optical setup. Each autocorrelator comes with a built-in TPA detector, a USB-based controller, ready-to-use data acquisition software, and TCP/IP-based software with a subset of SCPI-based commands that allow users to program automatic measurement procedures.
APE's ultrafast autocorrelator is calibrated to NIST (U.S. National Institute of Standards and Technology) measurement standards.
TPA detector with sensitivity >0.1W2 @ 700 - 1100nm
Includes a controller with a USB interface and ready-to-use data acquisition software
Compact design and wavelength matching without the need for tuning
Perfect for ultrafast low and high repetition rate lasers
PARAMETERS
Wavelength range (nm): 700 - 1100
Computer interface: USB
Dimensions (cm): 10.2 x 10.2
Measurable pulse duration: 50 - 3500fs
Scanning range: 150fs - 15ps
Sensitivity (W2): <0.1
Repetition rate (Hz): >300
Maximum input power/energy: 300 mW/5µJ
Polarization of the input beam: linear/horizontal
Delay resolution: <0.001% scan range delay
Linearity: <1%
Measurement mode: collinear intensity
SHG Phase Matching: Not required
Trigger mode: 300 Hz - 50 kHz
Entry hole (mm): 6
Fitting procedure: Gaussian, Sech2, Lorentzian
Calibration: NIST certified and traceable calibration
Edmund Optics® Beam Profilers
High resolution for accurate small beam profile measurements
Large area sensor for large beam profiling
USB 3.0 for the fastest transfer speeds
Edmund Optics® profilometers are designed to measure a wide range of laser beam sizes, providing information to optimize laser system performance. These laser beam profilers are equipped with high-resolution, large-area sensors to ensure accurate profiling of both small and large laser beams.
Available in two sizes, the beam profiles are threaded for 1” x 32 TPI mounting, making them compatible with C-Mount accessories. Edmund Optics beam profilers feature an external trigger to synchronize the camera with the pulsed laser, and are USB 2.0 and 3.0 compatible for industry-leading transfer speeds. Each beam profiler also comes with intuitive beam analysis software with multiple display options (2D, 3D and XY), as well as multiple control tools such as background subtraction and Gaussian matching.
PARAMETERS
Wavelength range (nm): 350 - 1150
Included filters: neutral density, OD 4.0 (x1)
Mount: 1" x 32 TPI (C-mount)
Pixel size, H x W (μm): 5.5 x 5.5
Pixels (H x W): 2048 x 2048 (4.2 megapixels)
Detection area, height x width (mm): 11.3 x 11.3
Computer Interface: Displays: 2D, 3D, XY and beam tracking diameter. Definitions: D4σ, 1/e2 (13.5%), FWHM (50%), 86% iris, Buffer Control: Open File, Save Current Data, Save All Data, Previous/Next Image, Clear, Animation, Report: 2D , 3D, XY, Measures and parameters. Print Screen tool in BMP (2D and 3D)
Input beam requirements: Minimum 55 μm (10 x 10 pixels)
Software: USB included
PROFILOMETR Coherent® Lasercam™
The Coherent® Lasercam™ Beam Profiler features excellent signal-to-noise ratio and linear response, enabling accurate measurements of pulsed and CW laser beam dimensions and uniformity.
12-bit and 14-bit digital USB 2.0 options
High sensitivity and dynamic range
Intuitive BeamView™ software included
The new BeamView™ 4.4 interface software supports TCP/IP control and the NI LabVIEW™ library suite, enabling efficient and seamless integration of beam profiling into any application.
Examples of analysis functions that can be performed on the acquired beam images include:
position of the center of gravity of the beam, position of the peak intensity of the beam
pointing stability
total relative power/energy in the beam
peak power/energy density of the beam
beam divergence
ellipticity of the beam
beam intensity
homogeneity
Gaussian fit
beam diameter/width based on second moments
user-selected percentage of peak/total energy.
PARAMETERS
Mount: C-Mount
Operating Temperature (°C): -20 to 60
Dimensions (mm): 68.1 x 79.3 x 40.9 (with LDFP)
Weight (g): 110 (without cable)
Spectral Range: 300 - 1100nm (400 - 1100nm with LDFP)
Signal to Noise S/N Ratio (dB): >60
Gain (dB): Gain is factory set for optimum linear dynamic range, not user adjustable
Gamma: 1.00
Exposure Time: Fixed at 10ms
Frame Rate: 27Hz (Live Mode), 10Hz (with calculations)
Damage Threshold, By Design: 32 mJ/cm2 @ 1.06μm without Low Distortion Faceplate
Damage Threshold, Pulsed: 32 mJ/cm2 @ 1.06μm without Low Distortion Faceplate
Peak Intensity: Recommended: 75-95% of camera saturation
Pulse Trigger: TTL, rising or falling edge
Dimensional Accuracy: ±1% (typical), ±5% max (over entire spectral and dimensional range)
Peak Noise (nW/cm2): 24 (at 632.8nm)
Operating System: Windows®
Camera Sensor Format | Beam Diameter, 1/e2 (mm) | Sensing Area, H x V (mm) | Stock Number |
1/2" | Recommended: 0.15mm min, 4.0mm max | 5.9 x 4.8 | #33-156 |
2/3" | Recommended: 0.20mm min, 6.0mm max | 8.3 x 6.6 | #33-157 |
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