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Optomechanical Engineering

Prof. Jim Burge

jburge@optics.arizona.edu

520-621-8182

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OPTI 523

Optomechanical Design and Analysis

 

Spring 2009

Nominal times MWF at 11:00- 11:50 in Meinel 307

 

Prof. Jim Burge

 

jburge@optics.arizona.edu

office : 621-8182

Room 733 Meinel Bldg

home : 322-0170

 

 

 

with contributing presentations from

Won Hyun Park (whpark@optics.arizona.edu)

Bob Parks (rparks@optics.arizona.edu)

 

 

 

 

 

 

 

Course introduction

UA policy on Academic Integrity

 

Resources:

References for 423/523

Yoder, Paul R., Jr., Opto-Mechanical Systems Design, 3rd Ed., (CRC Press, 2006)

 

OptoMech Discussion Group

Username: opto521

Password: OptoMech08

 

Distance Learning

Video stream at: http://www.optics.arizona.edu/distance  (need username and password).

Handled by Cindy Robertson <cindyr@optics.arizona.edu> (520) 626-4719

 

Technical reports from the students

Problem 1: Lens mount

Problem 2: Flat fold

Problem 3: Vacuum window

Problem 4: Medium sized fold mirror

 

Independent design projects

General description of the assignment

Guidelines for design projects

Posted : Student reports from this semester

Evaluation sheet for presentations

Example student reports from Spring 2008

 

 

SolidWorks: http://www.solidworks.com/sw/esp/engineering_stimulus_package.html

 

 

Class calendar

 

Class

Prepare for class

Week 1

 

 

F 1/16

Class Introduction

 

Week 2

 

 

M 1/19

Holiday (No classes)

 

W 1/21

Lens mounts:  Problem 1 assigned

Review HW3, 4, 10 from 521

F 1/22

Lens Mount

Requirements Review for Problem 1

Preliminary Design for Problem 1

Guidelines for design projects

Week 2

 

 

M 1/26

Introduction to SolidWorks (M. Borden)

Instructions for students downloading SolidWorks

 

W 1/28

SolidWorks: (M. Borden)

Rotation extrusions for lens barrels

Assemblies including lenses into barrels

 

Discuss technical issues or SolidWorks issues for Problem 1

 

F 1/30

Design of lens mounts (Paul Yoder)

Review lens mounts in Yoder’s book

Week 3

 

 

M 2/2

Solidworks: (M. Borden)

Details of assemblies – lens barrels

Drawings
Importing solids using IGES

 

SolidWorks model of a simple lens barrel with lens elements

W 2/4

Finish SolidWorks intro

Problem 1 issues

 

F 2/6

Technical drawings

Problem 2: Mirror mount

 

Week 4

 

 

M 2/9

Review Problem 1: Lens mounts

Problem 1 Final Design Review
(Provide this electronically)

W 2/11

Review of Problem 1 solutions

Reading solid models into SolidWorks

 

 

F 2/13

Small mirror mounts

Requirements Review for Problem 2

 

Week 5

 

 

M 2/16

Introduction to finite element modeling with SolidWorks

 

W 2/18

Review Problem 2 preliminary designs

Preliminary design for Problem 2

F 2/20

Finite Element Modeling:

Mathematics and theory

Applications

(Hand calculation for natural resonance)

Cosmos model of cantilever:
- natural frequency
- deflection for applied loading

- stress for applied loading

 

Week 6

 

 

M 2/23

Review Problem 2 final designs

Final design for Problem 2

W 2/25

Problem 3 assignment: Vacuum window

Discussion of vacuum windows

Discussion of individual projects

Preliminary definition for candidate projects

F 2/27

Finite Element modeling

Cosmos model of cantilever:

Week 7

 

 

M 3/2

Design of windows

Requirements Review for Problem 3

W ¾

Preliminary design of vacuum window

Preliminary design for problem 3

F 3/6

 

Requirements Review for Design Projects

Week 8

 

 

M 3/9

Final design of vacuum window

Final Design for Problem 3

W 3/11

Problem 4: Large mirror

 

F 3/13

Optical analysis of mirror deflections

Design Project Requirements Reviews

Matlab code

Requirements Review for Problem 4

 

Spring Break

 

Week 9

 

 

M 3/23

Designs for Mirror Mounts

Design Project Requirements Reviews

Preliminary design for Problem 4

W 3/25

Design Project Requirements Reviews

Requirements Review for Design Projects

F 3/27

Issues for Finite Element Modeling in SolidWorks

 

Week 10

 

 

M 3/30

Final design for mirror mount

Final Design for Problem 4

W 4/1

PDR: Su, Marks, Pennacchini,

 

F 4/3

PDR: Armstrong,  Maldonado, Schwertz

 

Week 11

 

 

M 4/6

PDR: Borden, Chen

 

W 4/8

PDR: Cai, Johnson

 

 

All PDR reports are due, Including DL students

 

F 4/10

Issues with design projects:

Mirror mounts, flexures

Mirror mount examples

 

 

Status reports:

Armstrong,  Su

 

Week 12

 

 

M 4/13

Parametric modeling using CosmosWorks

 

W 4/15

Lens alignment issues

Status reports:

Marks, Borden

F 4/17

Flexures

Status reports:

Maldonado, Chen, Schwertz

Week 13

 

 

M 4/20

Contact stress, strength of glass

Status reports:

Cai, Johnson

 

W 4/22

Degrees of freedom for flexures
Special mirror mount issues

Status reports: Pennacchini, Borden

F 4/24

Constraints and degrees of freedom

Status reports: Chen

Week 14

 

 

M 4/27

Resonant frequencies for flexure supported optics

Active mirrors

 

W 4/29

FDR: Su, Marks, Pennacchini,

Evaluation sheet for presentations

F 5/1

FDR: Maldonado

Evaluation sheet for presentations

Week 15

 

 

M 5/4

FDR: Borden, Armstrong,

Evaluation sheet for presentations

W 5/6

FDR: Cai, Johnson, Schwertz

 

 

Evaluation sheet for presentations

 

References

Link to references for 423/523

 

 

(Please send comments, suggestions, or dead links to optomech@optics.arizona.edu)