deformable mirror adaptive optics mems founded berkeley california u.s. 2002 founder michael helmbrecht matt campbell nathan doble cliff knollenberg headquarters berkeley california area served worldwide products customized mems products and standardized deformable mirrors website irisao.com iris ao inc. manufactures small scale microelectromechanical systems mems based deformable mirrors dm and adaptive optics systems that offer radical advantages in cost size durability flexibility and power consumption . iris ao systems make adaptive optics ao practical for a host of new applications including astronomy retinal and biomedical imaging beam shaping portable laser communications and horizontal path imaging . contents 1 history 2 research and development 3 applications 3.1 fiber coupling 3.2 beam shaping 3.3 exoplanet detections 4 products 5 management 6 awards 7 see also 8 references 9 external links 10 see also history edit founded in june 2002 by matt campbell nathan doble michael helmbrecht and cliff knollenberg iris ao manufactures advanced mems based mirror products and high voltage high channel count drive electronics adaptive optics ao controllers and ao development systems . research and development edit iris ao is funded in part by research grants from nasa and the national science foundation nsf . iris ao develops new products for beam shaping astronomy retinal and biomedical imaging portable laser communications and horizontal path imaging . most recently iris ao developed a harsh environment enclosure for its mems . this new upgrade consists of a water cooling heatsink and a gas flow system to cool the surface of the deformable mirror . the availability of dielectric coatings from 188 nm to 1600 nm the harsh environment upgrade and the use of a variety of laser sources from deep uv excimer to nd yag lasers is positioning iris ao as a leader in laser micro machining and beam shaping . 1 pttdm with harsh environment packaging ptt489 applications edit fiber coupling edit the fibered pupil remapper instrument known as first fibered imager for single telescope was recently installed on the subaru telescope in mauna kea . first makes use of single mode fibers to remove the effects of atmospheric turbulence by dividing the entrance pupil into sub pupils that feed the fibers . the flux injection into the fibers is optimized by controlling an iris ao ptt111 mirror huby et al. 2014 . 2 beam shaping edit by inserting an iris ao ptt111 mems deformable mirror based adaptive optics system into the beam transfer optics of the 3m c. donald shane telescope at mt. hamilton researchers actively controlled the wavefront of the outgoing laser guidestar beam . this uplink correction enabled correction of quasi static aberrations dynamic refocus of the laser guide star spot lgs and creation of a more compact reference beacon in the mesosphere norton et al. 2014 . 3 exoplanet detections edit iris ao dms are used for wavefront correction in coronagraphs . for example the visible nulling coronagraph vnc at nasa goddard is using the ultra flat iris ao ptt489 to demonstrate 10 9 contrast within 1 4 d over a 40 nm bandwidth centered at 633 nm hicks et al. 2014 . 4 a previous demonstration with the vnc achieved 5x10 9 contrast in narrowband polarized light lyon et al. 2014 . 5 this work opens the door for more technology developments aimed at imaging exoplanets with the next generation of space telescopes . iris ao has improved the stability of its mirrors in extreme environments as well as the accuracy of the segment controls aguayo et al. 2015 . 6 products edit deformable mirrors model number ptt111 5 ptt111 8 ptt489 5 ptt489 8 ptt939 5 ptt939 9 number of actuators 111 489 939 number of segments 37 163 313 max stroke 5 m 8 m 5 m 8 m 5 m 8 m max tilt angle 4 mrad 6.4 mrad 4 mrad 6.4 mrad 4 mrad 6.4 mrad min . frequency response 2 khz inscribed aperture 3.5 mm 7.7 mm 10.85 mm optical coating protected silver gold protected aluminum ; optional dielectric coatings mirror type segmented piston tip tilt mirrors are sold with factory calibrated smart driver ii drive electronics . many projects and deformable mirrors are customized for specific applications . 7 management edit michael helmbrecht ph.d. ceo founder marc besse senior software architect pamela caton ph.d. senior mems engineer min he ph.d. senior mems processing engineer carl kempf ph.d. senior systems engineer franck marchis ph.d. senior ao application scientist awards edit this section is empty . you can help by adding to it . september 2014 see also edit wavefront sensor adaptive optics the era of adaptive optics microelectromechanical systems deformable mirror scanning laser ophthalmoscopy references edit iris ao publications . 1 huby et al. 2014 . http spie.org x108976.xml norton et al. 2014 http spie.org publications proceedings paper 10.1117 12.2055564 hicks et al. 2014 http proceedings.spiedigitallibrary.org proceeding.aspx articleid 1894815 lyon et al. 2014 http proceedings.spiedigitallibrary.org proceeding.aspx articleid 1894893 & resultclick 1 aguayo et al. 2015 http proceedings.spiedigitallibrary.org proceeding.aspx articleid 1894893 & resultclick 1 helmbrecht et.al 2011 2 external links edit iris ao inc. 3 see also edit glassesusa retrieved from https en.wikipedia.org w index.php title iris ao inc. & oldid 705720330 categories companies established in 2002companies based in berkeley californiaoptics manufacturing companieshidden categories articles to be expanded from september 2014all articles to be expandedarticles with empty sections from september 2014all articles with empty sectionsarticles using small message boxes navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 19 february 2016 at 04 18 . text is available under the creative commons attribution sharealike license ; 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