astigmatism in h

Astigmatism in H...

First measurements on the IRTC

peak intensity = 1002.76bias = -31.8875

FFT ext = 4.43765

Defocus = 0.590768Astigmatism X,Y = 0.209427 0.922135Comae = -0.0154677 -0.142698Trifoil = -0.214846 0.138416Spherical = -0.0215976Astigm 5th 0.0408441 0.366553Ashtray 0.00412207 -0.102549Higher oredrs -0.0656770

crop = 36pupilla = 64extimation of acquired PSF FWHM= 7.22515 pix Rextimation of fitted PSF FWHM= 7.65304 pix

Analized File:C:\Documents and Settings\Pinna\Documenti\Arcetri\LBTAO-WFS\Torre-2009\20090722103848\aver_aa__00001_cube.fits

peak intensity = 1319.79bias = 271.240

FFT ext = 4.34026

Defocus = -0.583112Astigmatism X,Y = 0.102348 -0.752859Comae = 0.0211537 -0.232941Trifoil = -0.104254 0.278332Spherical = -0.139384Astigm 5th 0.122125 0.0495740Ashtray -0.0748918 0.0161063Higher oredrs -0.0139323



LUCIFER WINDOWby A . Riccardi

Fitting over 100mm diam area

Zernike index Noll Coefficient[nm rms]

4 (Focus) -845

5 (Astigmatism)

231

6 (Astigmatism)

-847

7 (Coma) -11.2

8 (Coma) -0.461

9 (Trefoil) -61.1

10 (Trefoil) 52.2

11 (Spherical) -4.71

PSF at l=0.9um simulated with Zemax setting the measured figure error on the reflective side of the dichroic. The beam footprint on the dichroic is about 8mm dimeter,.

For comparison the PSF without dichrocic aberrations

Measuemrents before unmounting

IRTC

Best focus on IRTC


FFT ext = 4.15666

Defocus = -0.310615Astigmatism X,Y = 0.0172231 -0.479384Comae = 0.00823836 -0.0291975Trifoil = -0.0205942 0.0114637Spherical = -0.0254002Astigm 5th -0.0830509 0.0191889Ashtray 0.0623062 -0.0292507Higher oredrs -0.0179412

extimation of acquired PSF FWHM= 4.51352 pix Rextimation of fitted PSF FWHM= 4.51352 pix


Narrow FoVH FilterCloop 351modes

Narrow FoVH FilterCloop 351modesNo disturbance

Intra? focus on IRTC


FFT ext = 4.15665

Defocus = 0.511644Astigmatism X,Y = 0.0492685 -0.615427Comae = 0.0908147 0.102241Trifoil = 0.0978397 0.00713370Spherical = 0.0676521Astigm 5th 0.0620296 -0.0478310Ashtray 0.0561357 -0.0651820Higher oredrs 0.130362


crop = 36pupilla = 64

extimation of acquired PSF FWHM= 4.91849 pix = 63.9404 micronRextimation of fitted PSF FWHM= 4.91849 pix = 63.9404 micron


Extra? focus on IRTCpeak intensity = 2183.69bias = 116.250

FFT ext = 4.32726

Defocus = 0.614016Astigmatism X,Y = 0.0165866 0.422007Comae = 0.00633992 0.00618329Trifoil = -0.0364777 -0.0122443Spherical = 0.0992458Astigm 5th 0.0154982 0.0245430Ashtray -0.00964422 0.00365175Higher oredrs 0.0397978Min Max in apodizated pupil = 0.993304 0.999997

crop = 36pupilla = 64extimation of acquired PSF FWHM= 5.29257 pix = 68.8034 micronRextimation of fitted PSF FWHM= 5.29257 pix = 68.8034 micron

Analized File:C:\Documents and Settings\Pinna\Documenti\Arcetri\LBTAO-WFS\Torre-2009\20090729103836\aver_aa__00005_cube_bis.fits

Narrow FoVH FilterCloop 351modes


Measuemrents before unmounting

CCD47

Analized File:C:\Documents and Settings\Pinna\Documenti\Arcetri\LBTAO-WFS\Torre-2009\20090729\Data_20090729_113450\psf.fits


FFT ext = 3.65621 (free estimation)

Defocus = -0.0585881Astigmatism X,Y = -0.0114570 0.383205Comae = -0.0340614 -0.125561Trifoil = -0.0171380 0.0318069Spherical = 0.177177Astigm 5th 0.0270143 0.000660495Ashtray -0.0766676 -0.0469914Higher oredrs -0.125413


extimation of acquired PSF FWHM= 4.06843 pix Rextimation of fitted PSF FWHM= 4.06843 pix

SR= 0.82660779

CCD47FW1 50-50FW2 900-10nmHalog – lamp 5.8um fiberCloop 351modesNo disturbance

113450

peak intensity = 8871.75bias = 118.445---------------------------------------FFT ext = 3.76771EXT FREE---------------------------------------Defocus = 0.0111426Astigmatism X,Y = 0.00175040 -0.0321599Comae = -0.0123850 -0.0295542Trifoil = 0.00847079 0.0446380Spherical = 0.0585187Astigm 5th -0.00542117 0.0646219Ashtray 0.0354775 -0.195022Higher oredrs -0.0176826

residual counts [total(abs(y-I_fit))] = 2478.2167---------------------------------------crop = 36pixpupilla = 64pix---------------------------------------extimation of acquired PSF FWHM= 4.06843 pix Rextimation of fitted PSF FWHM= 4.06843 pix *******************************************



113450

SR= 0.9594


FFT ext = 3.10684 (FIXED!)

Defocus = -0.763930Astigmatism X,Y = 0.00456400 0.0120065Comae = 0.00204015 0.191127Trifoil = 0.00122935 0.0975511Spherical = -0.403531Astigm 5th -0.0929287 -0.000696394Ashtray -0.0267551 0.0371085Higher oredrs 0.0960478



113450CCD47FW1 50-50FW2 900-10nmHalog – lamp 5.8um fiberCloop 351modesNo disturbance

SR= 0.52834972


FFT ext = 3.10466 (FIXED!!)

Defocus = 0.0460332Astigmatism X,Y = 0.669503 -0.0543293Comae = -0.171508 -0.151559Trifoil = 0.0914171 0.0906828Spherical = 0.120763Astigm 5th -0.148495 0.306000Ashtray 0.0978956 -0.0581106Higher oredrs -0.130339

residuo as total(abs(y-I_fit)) = 3400.3187





FFT ext = 3.29688 (FIXED!!)

Defocus = -0.0353860Astigmatism X,Y = 0.0355039 0.563645Comae = -0.0404164 -0.0499167Trifoil = -0.0348001 0.0487371Spherical = 0.0909336Astigm 5th 0.184327 0.0412564Ashtray -0.0499444 -0.0867177Higher oredrs -0.00422349residuo as total(abs(y-I_fit)) = 2070.7120



113450

SR= 0.7218




FFT ext = 3.62846 (free estimation)

Defocus = -0.123487Astigmatism X,Y = -0.0765382 0.368328Comae = -0.0168487 0.0442706Trifoil = 0.00146071 0.0369849Spherical = 0.110616Astigm 5th 0.0247468 -0.0511918Ashtray -0.0448992 -0.0113611Higher oredrs 0.124259

crop = 36pupilla = 64extimation of acquired PSF FWHM= 3.90882 pixRextimation of fitted PSF FWHM= 4.22201 pix


SR= 0.82605954

114057