ILAO Star I Mechanical deformable mirror for ultra high intensity laser

Optical Quality and Dynamic Range

Enabling Strehl Ratio > 0.9

Hysteresis

(Less than 0.5%) / No backlash compensation needed

Beam Diameter Correction

From 16-400mm and more / AOI 10< to 45

Maintenance

Simplified procedures for actuator or substrate replacement

Coating

Typ laser component HR / any other on demand

3rd Generation Actuators

Higher performance - better reliability

ILAO Star is the 4th generation of deformable mirror originally developed for applications in Ultra High Intensity Lasers. Based on a patented actuation technology, ILAO operates using mechanical actuators with astatic floating heads that perform wavefront shaping with nanometric precision, extremely high repeatability and perfect linearity.

ILAO Star provides extremely low residual errors on its full dynamic range and allows performing correction without high spatial frequency phase modulations to prevent damages on downstream optics. ILAO Star is compatible with most available metallic and dielectric coatings and can be optimized/customized to match with integration at 45degree and square beams.

ILAO Star is seamlessly compatible with Waveview, WaveSuite, TANGO and of course HASO wavefront sensor. Its integration in the Laser before or after the compressor allows providing a corrected wavefront before the beam transportation. For the correction of the beam transportation, Imagine Optic has developed PHARAO, a software using the focal spot itself to determine the non-common path aberrations and perform ultimate correction for diffraction limited focusing on target.

The amount of energy, beam diameters and safety standards have largely increased to meet new scientific challenges in inertial confinement fusion, plasma acceleration and particle physics experiments. The level of performance and maintenance features offered by ILAO Star perfectly meets the highest requirements of actual laser installations.

For more deformable mirrors, visit our deformable mirror page here.

Correction of beam diameter up to 450 mm
Adaptable for integration at 45 degrees
Dielectric or metallic coatings available
Replaceable reflective surface
Perfectly stable correction when the mirror is switched off
High optical quality and no print through (<10 nm) for typical laser correction
99% linearity, no hysteresis and excellent stability over time

Model	Actuators	Min. beam Ø	Max. beam Ø	Incidence	Aperture Ø
ILAO STAR B25	19	20 mm	25 mm	90°	up to 60 mm
ILAO 65	37	40 mm	65 mm	90°	up to 90 mm
ILAO 95-65	37	40 mm	65 mm	45°	up to 120×90 mm
ILAO 95	52	60 mm	95 mm	90°	up to 120 mm
ILAO 135-95	52	60 mm	95 mm	45°	up to 170×120 mm
ILAO 135	52	90 mm	135 mm	90°	up to 170 mm
ILAO 180-135	52	90 mm	135 mm	45°	up to 220×170 mm
ILAO 180	52	125 mm	180 mm	90°	up to 220 mm
ILAO 245-180	52	125 mm	180 mm	45°	up to 280×220 mm
ILAO 245	52	170 mm	245 mm	90°	up to 280 mm
ILAO 335-245	52	170 mm	245 mm	45°	up to 350×280 mm
ILAO 335	52	235 mm	335 mm	90°	up to 350 mm

Number of actuators	37	52
Maximum stroke per actuator (PV)	±5 to ±20 μm (dep. actuator position*)	±20 to ±100 μm (dep. 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	45 to 65 mm **	70 to 280 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.

Complete correction of Ultra High Intensity Lasers aberrations. The DM is monitored via CASAO and a HASO located downstream in a usual AO closed/open loop operation mode. To obtain diffraction limited focusing on target, the closed loop correction is associated to a focus spot analysis from the target chamber with Pharao.

Data Sheet and Brochures

ILAO First Deformable Mirror and Adaptive Optics Solution

Circular or Elliptical aperture for 45 degree incidence
Coatings (metal or dielectric, coating manufacturer can decided by end-user)
Vacuum compatibility.

Spare membranes
Cables

Description
Additional information

ILAO STAR is the first mechanical deformable mirror that was developed for applications in Ultra High Intensity Lasers. Based on a patented actuation technology, ILAO operates using mechanical actuators with astatic floating heads that perform wavefront shaping with nanometric precision, extremely high repeatability and perfect linearity.

ILAO STAR mechanical deformable mirror provides extremely low residual errors on its full dynamic range and allows performing correction without high spatial frequency phase modulations to prevent damages on downstream optics. ILAO STAR mechanical deformable mirror for high power lasers is compatible with most available metallic and dielectric coatings and can be optimized/customized to match with integration at 45 degree and square beams.

ILAO STAR mechanical deformable mirror for high power lasers is seamlessly compatible with Waveview and HASO wavefront sensor. Its integration in the Laser before or after the compressor allows providing a corrected wavefront before the beam transportation. For the correction of the beam transportation, Imagine Optic has developed PHARAO, a software using the focal spot itself to determine the non-common path aberrations and perform ultimate correction for diffraction limited focusing on target.

The amount of energy, beam diameters and safety standards have largely increased to meet new scientific challenges in inertial confinement fusion, plasma acceleration and particle physics experiments. The level of performance and maintenance features offered by ILAO STAR mechanical deformable mirror perfectly meets the highest requirements of actual laser installations.

Visit the manufacturer’s website: https://www.imagine-optic.com/

For more deformable mirrors, visit our deformable mirror page here.

Number of Actuators	19, 37, 52

ILAO Star I Mechanical deformable mirror for ultra high intensity laser

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