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Introduction to Creating Optical Holograms

Instructor: Melissa Crenshaw

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Session 1 -  Part 1      Overview   

  1.   Introduction to this course

  2. What is Optical Holography and what are real Optical Holograms?

  3. What is not an Optical hologram!

  4. Brief History and Culture overview of Holography

  5. Two main types of Holograms: Reflection & Transmission

  6. Examples of types of Holograms

    1. Single Beam Reflection (white light viewable)

    2. Split Beam Reflection holograms (white light viewable)

    3. Laser Transmission Hologram  ( viewable only with laser illumination)

    4. Master and Transfer Holograms

    5. White light Reflection Transfer/H2

    6. White light Transmission/ H2 (aka Rainbow/Benton holograms)

    7. Diffraction grating and their use as color field holograms.

    8. Multiplex, Integral , stereogram (hybrid) holograms from cine film to the digital realm

Session 1-  Part 2 Equipment and studios (We will re-visit in detail in Session 2)

  1. Holographic equipment

  1. Recording materials

  2. Overview of Hologram recording Studios and labs.

  1. Color: Pseudo-color, spectral color, real color

 

Session 2  Part 1  Creating  Optical Holograms:  Breaking down the equipment requirements.

  1. The correct Laser

  2. Minimal Optics & components

  3. The film/plate holder

  4. Designing an object or scene

  5. Recording Materials: Silver halide, Photo Polymer, Dichromate Gel, Photo Resist (review). Pros and cons.

  6. Setting up a  playback/reconstruction light for illuminating and evaluating your holograms.

  7. The stable environment isolated from vibrations and the fringes that create reflection holograms.

Session 2  Part 2  Design and build your own system for recording direct, single-beam, Reflection Holograms.

  1. Diagrams and photos of different SBR systems you can set up.

  2. Off-the-shelf kits which include a laser, advantages and disadvantages.

  3. The Sand Isolation Table:

  4. Considering your options and how to decide on what system to set up.

  5. Publications for beginners (advice and cautions)

Session 3  Part 1  Creating direct, single-beam reflection holograms using minimal equipment.

  1. Review of Session 2 Part 2 and questions regarding setting up systems

  2. Accessory equipment

  3. Step-by-step process.

  4. Troubleshooting:

 

Session 3  Part 2   Lighting requirements for Holograms & Fundamental Skills review

  1. Fundamental skills for creating Holograms.

  2. Lighting your Holograms: The Challenge  & as important as making a good hologram recording.

 

Session 4 Part 1 Deeper Dive

  1. The Holographers language used to describe holography’s unique aspects.

    1. The Image Plane, Virtual Image, Real Image

    2. The Pseudo-scopic image (upside down and inside out)

    3. Image projection zones, the angle of view

 

Session 4 Part 2  Creative options within the SBR process

  1. The magic of Pseudoscopic images

  2. Using stencils ( aka light blocks)

  3. Multiple exposures

  4. Breaking the rules color enhancement.

  5. Mixed media considerations

 

 

Session 5 Part 1 Exhibiting and displaying Holograms.

1.    Review of Lamp considerations for lighting your works in an exhibition or display setting

2.    Examples of Exhibitions

3.     Exhibition space considerations.

 

Session 5 Part 2 – Preserving your finished holograms.

  1. Preserving your finished Holograms

Guest artist presentation

 

Session 6 Part 1   - Review

  1. Review of Sessions content with questions allowed during the class.

  2. BONUS! Single Beam transmission holograms

 

Session 6 Part 2 – evaluating and troubleshooting holograms created by students.

  1. Questions from those setting up or considering setting up systems.

  2. Evaluating and troubleshooting holograms created by students in this course or previous to this course.

  3. Description of future Intermediate and advanced classes

  4. Hands on workshop options  & Labs to hire.

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