Introduction to Creating Optical Holograms
Instructor: Melissa Crenshaw
Outline for Course starting Feb. 15, 2024
Introduction to Creating Optical Holograms:
Creating Optical Holograms, the options and possibilities.
SESSION 1 Part 1
Introduction to this course, Overview,
What is Optical Holography and what are real Optical Holograms?
What is not an Optical hologram!
Brief History and Culture overview of Holography
Creating an optical hologram
The technical language used to describe Holography.
Examples of Art Holograms
SESSION 1 Part 2
Overview of Hologram equipment, recording Studios and labs, color.
Pseudo-color, real color, spectral color
Bragg planes and gratings and how they function in color control.
SESSION 2 Part 1
Creating Optical Holograms: Breaking down the equipment requirements.
The correct Laser
Optics & components
The need for stabilizing accessories, weight and gravity & why.
Recording Materials: Silver halide, Photo Polymer, Dichromate Gel, Photo Resist , Pros and cons.
The film/plate holder: ease of use in the dark, stability requirement, edge diffraction issues
Publications (advice and cautions)
SESSION 2 Part 2
The diverse types of Optical Holograms
Laser Transmission Holograms
Master H1 and Transfer H2 Holograms
Split Beam Reflection hologram
Single Beam Reflection
Single Beam Transmission
Diffraction gratings and their use as color field holograms.
Synthetic (CGH) Digital input, analog systems for the hard copy
SESSION 3 Part 1
Optical Holograms Deeper Dive, fundamental skills
Deeper Dive, Creative/technical options possible with the Single Beam and multiple Beam set up.
Multiple image planes or layers seeming to occupy the same space.
Sandwiching plates together.
SESSION 3 Part 2
Deeper dive continued
Mixed media considerations
Multi-channel Masters: Possible only with the H1 to H2 process
Content: Examples of Subjects/objects/scenes
Setting up a playback/reconstruction light for illuminating and evaluating your holograms.
SESSION 4 Part 1
Setting up to record direct, single beam, Reflection and transmission Holograms.
How a single beam hologram is created.
Diagrams and photos of different SBR systems you can set up.
The Sand Isolation Table:
SESSION 4 Part 2
Considering your options and how to decide on what system to set up, designing your scene/object.
Fundamental skills for creating all Optical Holograms.
Designing an object or scene for an SBR Hologram
SESSION 5 Part 1
Step by step
Review: setting up your own system to make SB holograms.
SESSION 5 Part 2
Preserving your finished holograms.
SESSION 6 Part 1
Exhibition space considerations.
SESSION 6 Part 2
Where to go from here: Labs, Resources
Email Melissa any questions for the next two months.