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ILAO™ (Intense Laser Adaptive Optics) Deformable Mirror
 
 

ILAO Deformable Mirror Intense Laser Adaptive OpticsILAO (Intense Laser Adaptive Optics) is the most advanced deformable mirror available that is specifically designed for wide-ranging intense laser applications. Developed in collaboration with ISP System, ILAO operates using mechanical actuators with astatic floating heads that perform wavefront shaping with nanometric precision. Depending on the type of laser, users can choose from replaceable dielectric or metallic reflective surfaces up to 350 mm in diameter.

Once the optimal mirror shape has been achieved, power is no longer necessary to maintain ILAO's form. The fact that the mirror no longer dissipates any energy or heat from its interior ensures that its high optical quality surface (<10 nm rms) maintains a perfectly stable form over time and minimizes the risk of unwanted hotspots. Even more, this makes ILAO insensitive to electromagnetic perturbations found in the harsh environments of ultra-intense lasers. Depending on the model you choose, ILAO can function at an incident angle of 0° or 45°.

A dedicated solution for intense lasers

ILAO is the wavefront correction element of the full-featured adaptive-optics solutions that Imagine Optic provides for intense lasers. When combined with a HASO3 wavefront sensor and our CASAO command & control software, you have a turnkey solution, where each element has been developed to work together seamlessly and to be driven via one ergonomic interface.

Exceptional wavefront correction

ILAO 37 (black) / ILAO 52 (red)
Maximum Peak-to-Valley (PV) wavefront generation
   
  ±150 µm / ±200 µm ±150 µm / ±200 µm  
±30 µm / ±150 µm ±30 µm / ±150 µm ±30 µm / ±150 µm
±7 µm / ±40 µm ±7 µm / ±20 µm ±7 µm / ±20 µm ±7 µm / ±40 µm
±4 µm / ±12 µm ±2 µm / ±9 µm ±2 µm / ±9 µm ±2 µm / ±9 µm ±4 µm / ±12 µm
Residual wavefront error of <20 nm rms with the amplitude set at 20% of maximum dynamic range

Key specifications

  ILAO 37 ILAO 52
Number of actuators 37 52
Maximum stroke per actuator (PV) ±5 to ±20 µm depending on actuator position* ±20 to ±100 µm depending on actuator position*
Maximum generated wavefront (PV) >40 µm* >100 µm*
Surface quality (rms active flat) <10 nm rms*
Spatial frequency correction Zernike orders up to 5* Zernike orders up to 6*
Correction diameters 40 to 70 mm ** 70 to 335 mm **
Pupil diameters up to 80 mm** up to 350 mm**
Linearity 99% for full actuator dynamic range*
Hysteresis no hysteresis*
Coatings dielectric or metallic
Replaceable optical surface yes
Vacuum compatible yes
* Values obtained using Imagine Optic's HASO3 wavefront sensor and CASAO software. ** Larger diameter are available upon request.

For more information, please click here to find the Imagine Optic office or distributor nearest you.

 
Application notes
 

PDFAdaptive optics for high-power lasers and the next generation of optical fuses - In this application note, we discuss how adaptive optics is currently used in high-power lasers and its future applications. Click here to read the note.

 
 

PDFAdaptive optics for high-power femtosecond lasers - In this application note, we discuss how we worked with the Max Plank Institute to implement an adaptive-optics closed-loop system into their femtosecond laser. Click here to read the note.

 

Documentation
 

PDFProduct brochure - click the PDF icon to download.

 

 


 
 
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