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Speaker: 陳琮夫 Advisor: 梁肇文 老師 Date:20130320 PowerPoint PPT Presentation


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Weekly Report. Speaker: 陳琮夫 Advisor: 梁肇文 老師 Date:20130320. Lensarray Calibration. Image of autocollimator PS: This pic is error !!! We align the reflection image to the ghost image. Lensarray Calibration. The convex surface of lensarray the beam normal insert to the lensarray.

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Speaker: 陳琮夫 Advisor: 梁肇文 老師 Date:20130320

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Speaker advisor date 20130320

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130320


Speaker advisor date 20130320

  • Lensarray Calibration

Image of autocollimatorPS: This pic is error !!! We align the reflection image to the ghost image


Speaker advisor date 20130320

  • Lensarray Calibration

The convex surface of lensarray the beam normal insert to the lensarray


Speaker advisor date 20130320

  • Lensarray Calibration


Speaker advisor date 20130320

  • Lensarray Calibration


Speaker advisor date 20130320

  • Lensarray Calibration


Speaker advisor date 20130320

  • Advisor

  • 確認中間偏暗十字是否為 reference還是 ghost image

  • 確認正射下 nomal reflection error (未回答道問題)


Speaker advisor date 20130327

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130327


Speaker advisor date 20130320

  • Outline

  • Calibration the lensarray and CCD protecting glassNext : use the least square fitting to calibrate


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

autocollimator

CCD

The beam from autocollimator normal reflect to the protect glass above the ccd sensor


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

autocollimator

CCD

lensarray

The beam from autocollimator normal reflect to the lensarray in front of the ccd sensor .

PS: Here we adjust the cross image to match the center of ccd


Speaker advisor date 20130320

autocollimator

CCD

  • Calibration the lensarray and CCD

lensarray

snap

Without the pinhole

With the 50um pinhole


Speaker advisor date 20130320

light

  • Calibration the lensarray and CCD

sensor

lensarray

glass

PS:

First, align the autocollimator and ccd glass.

Secondly, place the lensarray.

Lensarray is not parallel to the glass


Speaker advisor date 20130320

  • Calibration the lensarray and CCD


Speaker advisor date 20130320

  • Calibration the lensarray and CCD


Speaker advisor date 20130320

- 0.00001578 (rad) = - 0.054 arcmin

0.00003813 (rad) = 0.131 arcmin

  • Calibration the lensarray and CCD

ERROR

俯視

側視


Speaker advisor date 20130320

  • Calibration the lensarray and CCD


Speaker advisor date 20130320

0.00002166 (rad) = 0.07447 arcmin

0.0000226 (rad) = 0.07769 arcmin

  • Calibration the lensarray and CCD

ERROR

俯視

側視


Speaker advisor date 20130403

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130403


Speaker advisor date 20130320

5.376 arcmin

arcmin

  • Calibration the lensarray and CCD

俯視

側視


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

?

lensarray

CCD


Speaker advisor date 20130320

Align CCD&Lensarray

  • Flow chart

Catch the picture

Get the x,y coordinate

Calibration: Misalignment effect

Stick !!!!

Place the testing lens

Catch the picture

Asign the ShackHartmann pattern

Centroid

Calibration

Wavefront Reconstruction


Speaker advisor date 20130320

  • histogram

Saturation points

Exposure time

Gain


Speaker advisor date 20130320

  • histogram

Centroid


Speaker advisor date 20130320

  • histogram

!!! 不直接用function preview


Speaker advisor date 20130410

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130410


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

將 lensarray 黏上 CCD 之後角度變化11.15 arcmin

arcmin


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

=( sin(dx)cos(dy), sin(dy), cos(dx)cos(dy) )

y

dθx

dθy

z

x


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

y

x’

x

y’

dθy

dθx


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

  • Find the x and y

  • Shift the centroid to the CCD center


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

  • Find the x and y

  • Shift the centroid to the CCD center

  • Calibration the tilt angle -> too small !!!!


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

X direction

y direction


Speaker advisor date 20130417

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130417


Speaker advisor date 20130320

Align CCD&Lensarray

  • Flow chart

Catch the picture

Get the x,y coordinate

Calibration: Misalignment effect

Calibration: Defocus effect

Place the testing lens

Stick !!!!

Catch the picture

Asign the ShackHartmann pattern

Centroid

Calibration: Oddaberration

Wavefront Reconstruction


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

  • Tilt angle of the LensArray

  • The maximum pixel shift

  • Wavefront slope error

; pixel size = 0.044 mm


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

Rotate it more than 1.5 degree , using central area to analysis


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

取所有點的平均 之後做 least-square fitting where ,


Speaker advisor date 20130320

  • Calibration the lensarray and CCD

  • Method 1.

    W.D. = spot shift/tan⁡(∆𝜃);

    Ave_W.D.=4269.560 μm

  • Method 2.

    WD(x) = fitted_f(x) / x

Working distance


Speaker advisor date 20130426

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130426


Polynomial function

polynomial function

Hc(on focus)

Hc(defocus)

θ

θ

Δf

EFL

NOtE :

polynomial function : where , φ=(tanθ)

Hc(On focus) = (EFL+ ++

Hc (defocus) = ((EFL-Δf)+ + +

Paraxial height


Speaker advisor date 20130320

  • Defocus effect on CodeV simulation

Pixels

tan(θ)

(1174-982)*4.4=846.106 um = 0.846mm

(1174-719)*4.4=1999.827 um = 2.000 mm


Speaker advisor date 20130320

  • Defocus effect on experiment

Pixels

tan(θ)


Speaker advisor date 20130320

  • Defocus effect on CodeVsimulation and experiment

Pixels

tan(θ)


Speaker advisor date 20130320

  • Defocus effect on CodeVsimulation and experiment

Pixels

tan(θ)


Speaker advisor date 20130320

  • Defocus effect on CodeVsimulation and experiment

Pixels

tan(θ)


Weekly report

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130508


Schedule

Schedule


Shelf

Shelf

掀開式上蓋

工作區:70cm

鏤空

架子:

鋁製

b. 隔層板(1.2.3):隔層板1.2 : 鐵板

隔層板3: 壓克力板

c. 外殼:

霧面壓克力板

or 電腦機殼鐵板

1

鏤空

鏡座:25cm

2

置物區:20cm

3

支撐:3cm


Shelf1

Shelf


Shelf2

Shelf

線材出口

1. 紅色虛線為 平台行程範圍

2.M6螺孔

1. 紅色虛線為 平台行程範圍(40cmx40cm)

2.M6螺孔


Shelf3

Shelf

線材出口

1. 紅色虛線為 平台行程範圍(40cmx40cm)

2.M6螺孔


Calibration

Calibration

residue

pixels

pixels

Tan(θ)

Tan(θ)

Where θ from 0 to 10.9 degree


Weekly report1

Weekly Report

Speaker:陳琮夫

Advisor:梁肇文 老師

Date:20130515


Schedule1

Schedule


Polynomial function legendre such matlab

polynomial function : Legendre-such (matlab)

Pixels

Pixels

tan(θ) , where θ from 0 to 10.9 deg

tan(θ) , where θ from 0 to 10.9 deg


Polynomial function legendre such matlab1

polynomial function : Legendre-such (matlab)

Pixels

Pixels

tan(θ) , where θ from 0 to 10.9 deg

tan(θ) , where θ from 0 to 10.9 deg


Polynomial function legendre such matlab2

polynomial function : Legendre-such (matlab)


Polynomial function legendre such matlab3

polynomial function : Legendre-such (matlab)


Polynomial function legendre such matlab4

polynomial function : Legendre-such (matlab)


Weekly report2

Weekly Report

Speaker:Stephen Cheng

Advisor:Chao Wen Liang

Date: 20130522


Schedule2

Schedule


Polynomial function legendre schmidt seminormalized matlab

polynomial function : Legendre-Schmidt Seminormalized (matlab)

tan(θ) , where θ from 0 to 10.9 deg

tan(θ) , where θ from 0 to 10.9 deg

Pixels

Pixels

tan(θ) , where θ from 0 to 10.9 deg

tan(θ) , where θ from 0 to 10.9 deg

Pixels

Pixels


Polynomial function legendre schmidt seminormalized matlab1

polynomial function : Legendre-Schmidt Seminormalized (matlab)

tan(θ) , where θ from 0 to 10.9 deg

tan(θ) , where θ from 0 to 10.9 deg

Pixels

Pixels

Pixels

Pixels

tan(θ) , where θ from 0 to 10.9 deg

tan(θ) , where θ from 0 to 10.9 deg


Polynomial function legendre schmidt seminormalized matlab2

polynomial function : Legendre-Schmidt Seminormalized (matlab)


Polynomial function1

polynomial function

Hc(on focus)

Hc(defocus)

θ

θ

Δf

EFL

NOtE :

polynomial function : where , φ=(tanθ)

Hc(On focus) = EFL + ++

Hc (defocus) = ((EFL-Δf)+ + +

  • Paraxial height


Polynomial function legendre schmidt seminormalized matlab3

polynomial function : Legendre-Schmidt Seminormalized (matlab)

pixels

NA (tanθ)

We obtain the defocus of between the lensarray and CCD.

The codeV simulation will fit the experiment result.


Polynomial function legendre schmidt seminormalized matlab4

polynomial function : Legendre-Schmidt Seminormalized (matlab)

tan(θ)

mm


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