With its very high frame rate, the HASO SWIR FAST Wavefront sensor is used in most demanding applications where measurement accuracy in Soft Wave InfraRed bandwidth and high temporal resolution are needed. Thanks to its large wavefront measurement dynamic and its internal calibration, its implementation in an optical bench is simplified.

Best for

+ Adaptive Optics for Free Space Optics (Satellite Communication or horizontal path communication).
+ Adaptive Optics for Quantum Key Distribution.
+ High speed SWIR atmospheric turbulence characterization.

Features of the HASO SWIR FAST WAVEFRONT SENSOR

+ Absolute calibration ensured at 15nm RMS, allowing diffraction limited Adaptive Optics.
+ Optimized for 1.55µm but usable from 0.9µm to 1.7µm wavelength with the same accuracy and sensitivity.
+ Not more than 0.2nW needed to reach 4.5 kHz and 15nm RMS repeatability.
+ Camera Link allows reducing the latency down to 500µs.
+ 11×11 microlenses Shack-Hartmann. Deformable mirrors with up to 100 actuators can be driven.
+ Exposure duration can be increased up to seconds to perform active optics on very faint sources.
+ Not sensitive to scintillations thanks to a patented uncorrelated wavefront measurement with intensity variations in the pupil

Software

WAVEVIEW metrology software with more than 150 features included.
Optional WAVESKY adaptive optics software and SDK to have continuous high frequency slopes measurements stream.

Examples of applications of the HASO SWIR FAST Wavefront sensor

+ HASO SWIR FAST is included in our CIAO SWIR, a stand-alone adaptive optics platform that includes a Piezo DM. The loop is closed at the frequency of 3.5kHz.
+ HASO SWIR FAST has been used to characterize an atmospheric turbulence emulator and get the power spectral density up to the frequency of 2.2kHz on 36 Zernike polynomials.

Learn more about our series of wavefront sensor in the product page and you can at any time compare the products in the HASO wavefront sensors table page 

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The HASO LP wavefront sensor maintains high accuracy and dynamic range of Imagine Optic sensors, while offering an unequaled test beam diameter. It enables direct wavefront sensing with no beam conditioning or use of any relay optics for a simpler and more straightforward implementation with a greater measurement accuracy.

In its LIFT configuration, the large pupil is combined with ultra high resolution sampling for the most demanding applications in optical metrology, laser diagnostics, industrial control, and microscopy.

BEST FOR CHALLENGING APPLICATIONS

+ Large beam direct testing with no relay optics
+ Laser characterization and alignment
+ High spatial frequency aberrations analysis
+ Large dynamic range compatibility

SOFTWARE for HASO LP wavefront sensor

+ WAVEVIEW metrology software with 150 functions included
+ Extensions for PSF, MTF and Strehl ratio
+ Optional SDK for interfacing with any custom system or experiment
+ Windows11 & 10

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WAVESQUARED M2 factor analysis software has been designed specifically to pair with CAMSQUARED M and CAM SQUARED L laser quality testing solutions for the lab or the production.

Key features M2 factor analysis software

+ 3 clicks acquisition set up
+ Live M2 measurement (µs to ms acquisition cycle)
+ ISO 11146 standard (astigmatic, circular, general astig or auto detection)
+ Automatic pdf report generation for laser testing traceability
+ Compatible Windows 10 and Windows 11

Laser beam parameters and displays

+ M-Squared factor (M2)
+ Width at waist
+ Divergence angle
+ Beam Propagation Parameter (BPP)
+ Waist location
+ Astigmatism
+ Asymmetry ratio
and more. All parameters acquired in live can be displayed in time plots

Options in WAVESQUARED M2 factor analysis SOFTWARE

Full wavefront analysis is available in option. It is best for:
+ live alignment thanks to the knowledge of aberrations
+ collimation
+ beam pointing stability

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Best for

+ Optical tabletop setups
+ Integration in automated machines
+ At wavelength wavefront sensing
+ Adaptive optics reference arms

Features

+ Laser diode or low coherence source (SLED)
+ Manual or computer remote control
+ Adjustable intensity ouput
+ Constant current or Constant power output modes
+ Trigger synchronization
+ Class 3R laser

Software

+ WAVELAMBDA dedicated SW for remote control
+ Optional SDK for interfacing

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Connecting directly to the telescope eyepiece, CIAO is inserted between the telescope’s focal plane and the user plane (sensor or fiber holder) without modifying the optical path. Set up is facilitated by the embedded tip-tilt alignment interface and autocalibration tools. After pointing on the target, the user can close the Adaptive Optics loop with a simple click, to activate the aberrations correction or to lock in very fine pointing.   

CIAO is best for 

– High resolution imaging on planets or solar surface thanks to its compatibility with extended source
– SATCOM
– Free Space Optics (FSO) applications
– Stellar interferometry
– High performance spectrometry
– Space Situational Awareness (SSA)   

Key features 

– Easy to install add-on for ground-based telescopes from f/22 to f/8 aperture, 200mm up to 1m diameter
– VIS or SWIR operation
– Fast low light Shack-Hartmann wavefront sensor, 1kHz in visible, even faster in SWIR 
– Internal source allows a very easy and simple auto-calibration
– Adjustable tip-tilt off-axis ball point for optical alignment
– Mirror response time: 5ms
– Single mode fiber holder for white light interferometry, spectroscopy  of FSO applications.   

Software 

– Dedicated software for fast AO loop control
– Many parameters are available to optimize the loop and adapt the configuration to the telescope, the seeing condition, the target and the application.

CIAO is a compact innovative adaptive optics add-on that enhances your telescope’s performance. We customize for our users: please contact us to discuss how it benefits your application 

The post CIAO appeared first on Imagine Optic.

M2 measurement system “CAM SQUARED”, the latest product from Imagine Optic, offers precise and reliable analysis of laser beam quality with new records in M squared calculation speed and simplicity over other systems.

The standard ISO 11146 requires intensity distribution in at least 10 observation planes from which is computed the M squared factor. They are usually acquired using a camera moved along the optical axis. Imagine Optic proposes an innovative approach allowing the acquisition of the complete dataset needed in only one shot.

Best for: Easy & Quick laser quality testing

+ No need for translation stages
+ No need for alignment
+ No need for focusing optics that can compromise real M2 value

Features

CAM SQUARED performs multiple measurements:

+ M²
+ Divergence
+ Focus diameter
+ Waist position
+ Rayleigh length
+ Thermal effects
+ Astigmatism
+ Follow the reconstruction of the M2 factor from at least 10 observation planes as recommended in the Standard ISO10116.

Software dedicated for M2 measurement

The Application M2 corresponds to an optimized display of laser quality metrics based on WAVEVIEW^TM long-proven optical metrology software. It provides an instant visualization of the M² factor and of the intensity map at any observation plane. One can access these values in only one shot

Option:

Full wavefront reconstruction for alignment, collimation and optimization based on full knowledge of the phase.

Accessories for M2 measurement system CAM SQUARED

Several mounting options are available:
+ Adaptors for the most common mechanical stages
+ Magnetically coupled top and bottom plates, allowing to mount, remove, and replace CAM SQUARED with a high repeatability

Introducing CAM SQUARED – the latest addition to Imagine Optic’s portfolio of cutting-edge products. But don’t just take our word for it – we invite you to check out the product datasheet and see for yourself what makes CAM SQUARED such a powerful and innovative solution. and if you’re still not convinced, we encourage you to read the application note, where we highlight the benefits that this system brought to Oxxius and how much M2 measurement became easy and fast .

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mu-DM is a Deformable Mirror (DM)  containing 91 electromagnetic actuators organized in a centro-symmetrical pattern. The main highlights of this DM are:  

• A high density of actuators 
• Embedded electronics, for easier implementation 
• A high dynamic range, linearity and stability 

Adaptive Optics Applications

Astronomy
Laser Processing
Quantum

Life sciences :

+ Microscopy : for these applications visit our dedicated website : send to µI (link in red to be visible)
+ Ophthalmology :  for these applications, visit our sister’s company website : send to IE (link in red to be visible)

Features of mu-DM deformable mirror for microscopy 

+ Fast closed-loop convergence and accurate sensorless correction with perfect linearity and absence of hysteresis
+ Preserved photon budget with achromatic, highly reflective and continuous membrane
+ Long-term stability with temporal drift automatic compensation
+ Large dynamic range with 50% of actuators stroke still available while generating 40 microns PtV of focus
+ Fine timing control with trigger-in and trigger-out features
+ Easy integration with electronics embedded in a single-piece design and connection via a USB3 cable
+ Correction up to 10th Zernike order thanks to optimized actuator layout 

Available Software for mu-DM deformable mirror 

mu-DM suite software 

mu-DM Suite is a free software delivered with every mu-DM. It does not require calibration of deformable mirror with a wavefront sensor but with it you can apply a flat shape or first Zernike modes which can be handy for a first, quick alignment of the deformable mirror 

WAVETUNE
WaveTune is a unique software that seamlessly combines wavefront measurement and correction features with extensive instrument diagnostics. This software contains all the necessary tools to calibrate the DM. It can also operate it in closed-loop with HASO wavefront sensor, as well as in open-loop and perform beam shaping. 

WAVEKIT BIO
WaveKit Bio is a Software Development Kit (SDK), available in C++ and Python, specifically designed for microscopy applications. It contains all the necessary functions to implement sensorless AO, using image-based iterative algorithm (3N). 

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MESO metrology system is a one-stop solution to many challenges in optical metrology. Shop floor measurements ensure quality control testing and in situ process control of your flat optics right next to the manufacturing line.
A unique instrument allows to measure at several different wavelengths with no chromatic abberations and to characterize the whole range of your optics with no loss of resolution.

MESO™ is packed with innovation:

– LIFT-enhanced high wavefront sensing resolution
– POP patented  procedure for the testing of (thin) plane parallel optics
– Spot Tracker™ proprietary technology provides absolute measurement of tilt and wavefront.

KEY FEATURES​

• Insensitive to vibrations​
• At-design wavelength testing​
• Insensitive to reflections from sample back surface​​

​

APPLICATIONS​

MESO is the perfect testing tool for the control of:

​KEY SPECS of MESO metrology system

• Horizontal or vertical integration
• Optical zoom from 1,5’’ (38,1mm) up to 6’’ (152mm)
• Testing wavelength from 405 nm to 820 nm
• 680 x 500 phase points resolution
• 27us minimum acquisition time

WAVESURF supportive Software for MESO metrology system​

​Wavesurf allows operators and engineers in manufacturing environments to perform wavefront and surface characterization of flat optics and large lenses with just a few clicks. Scripted testing procedures guide users through all the steps. It makes control easy, automated and error-proof.

KEY SPECS​

• Touchscreen interface control
• Scripted testing procedures guide the user through all the steps
• Automated control of up to 4 embedded wavelengths​
• Automated control of test diameter​
• Complete automated test report​
• ISO10110 standard compliance​​
• Multiformat data export​

​

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Edge Custom Wavefront Sensors can be quickly produced and delivered to meet specific requirements. The Following examples are uncommon yet popular EDGE configurations along with other Wavefront sensors to meet specific needs such as >1kHz acquisition frequency, ultra-high vacuum compatible and very low light flux

Edge Custom Wavefront Sensors as Beam Profiler Compliment

Customers who use lasers are aware of how crucial having a properly aligned optical system is.In order maximizing the effectiveness of their beam. We will discuss why HASO Shack-Hartmann wavefront sensors are a great addition to your beam profiler in the technology note in the downloads tab.
For measuring your laser’s intensity with an extremely high degree of spatial resolution, beam profilers are excellent and reasonably priced tools. The data you rely on to perfect your beam is limited to the effects of its imperfections rather than the causes behind them because, despite their immense usefulness, they can only measure intensity.
In contrast to beam profilers, HASO wavefront sensors use a variety of patented technologies to simultaneously and independently measure your beam’s phase and intensity.

The complexity of Ultra-High Intensity Lasers is well known. Therefore, it is crucial to have a firm grasp of their temporal, spectral, and spatial performance.
By examining the following, it is very simple to characterize the quality of a spatial laser beam thanks to Shack-Hartmann measurement:

• The PSF (Point Spread Function), which is the spatial dispersion of energy in the laser’s focal point.
• M², which measures the degradation of the beam quality

The post HASO EDGE Series appeared first on Imagine Optic.

A great choice for the most demanding SWIR optical metrology applications, the HASO SWIR LIFT 160 wavefront sensor provides the highest resolution in SWIR, and advanced features such SpotTracker for alignment. It also instantly combines with any other compatible instrument and accessory in the Optical Engineer Companion range. The advantages of wavefront sensing-based metrology in the Short – wave infrared first stem from Shack-Hartmann’s reliability and accuracy as well as its 25-year track record with the most popular, creative and demanding clients, including space agencies, semiconductor businesses, laser manufacturers , free-space communications companies, and AR/VR designers and manufacturers.

Applications for HASO SWIR LIFT 160 Wavefront Sensor

+ Optical manufacturing metrology
+ Complex optics Characterization
+ Middle frequencies mirror surface characterization
+ Optical quality control, metrology (LIDAR, free space communication, Automotive, Space and defense)
+ Prediction of an optical system performance in terms of focalization capability or imaging quality
+ Pilot a wavefront corrector to control system’s aberrations
+ Quantification of the effects of temperature and gravity on the performance of an optical system

FEATURES

Successfully used in the most demanding applications in optical metrology, laser diagnostics and adaptive optics, the HASO SWIR LIFT 160 performs multiple functions :
+ Direct wavefront acquisition of highly converging and diverging beams with an accuracy of λ/100 rms, including astigmatism and high-order aberration, and many other parameters, making for the perfect instrument for any complex optics alignment.
+ Beam collimation with sensitivity > 1 km radius of curvature
+ Control and adjustment of axial laser beam deviation > 3μrad rms
+ Complex optics characterization in single or double path configuration in combination with R-FLEX2 metrology systems or RFLEX LA metrology platforms.
+ 3D MTF measurements
+ Simultaneous and independent measurements of phase and intensity (patented)

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