physics

Holo/Or

Holo/Or is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Holo/Or rather than just read about it. In short: Holo/Or is an international high-tech company, dedicated to the design, manufacturing and commercialization of new products based on diffractive optical elements (DOEs). Company profile Holo/Or is a leading company in the field of diffractive optical design and manufacture.

Key takeaways

Holo/Or belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Holo/Or to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Holo/Or from memory before moving on to harder problems.

Reference excerpt

Holo/Or is an international high-tech company, dedicated to the design, manufacturing and commercialization of new products based on diffractive optical elements (DOEs).

Company profile Holo/Or is a leading company in the field of diffractive optical design and manufacture. Among the more popular products offered by Holo/Or are top-hat beam shapers, used in many industrial micro-machining and materials processing applications, high-power beam homogenizers/diffusers, beam splitters/samplers for multi-spot and power monitoring applications, and vortex lenses, used in metal-cutting and particle-trapping.

History Holo/Or was founded in 1989 by Israel Grossinger, a pioneer in the commercialization of diffractive optical elements (DOEs). Back then, DOEs were found almost exclusively in various research institutes. Mr. Grossinger, occupying then the post of VP R&D at Indigo (sold later to HP), identified the commercial potential of this area. The first product manufactured at Holo/Or was the DWM (Dual Wavelength Module), proposed to a leading company in the field of medical laser systems, Coherent Medical. This was also the first commercial partnership of Holo/Or. Holo/Or's Dual Wavelength lens was the first commercial DOE in the world. These lenses correct the strong chromatic and spherical aberrations between a CO2 laser and its red aiming, and unite both beams to a single diffraction-limited focal point beam, by the use of a diffractive surface pattern. This product continues to be used in surgical laser systems and FTIR systems.

The company has recorded several international patents. in various applications such as: IOL (Intra-ocular Lenses), Fundus cameras, hair coloring diagnostics, guiding systems, portable scanners and aesthetic laser treatment.

References

External links Official website Israeli Industry Center OSA The optical society Eye & Contact Lens: October 1996 Volume 22 Issue 4 Clinical Assessment of Holo-Or Trifocal Diffractive Contact Lenses Objective and subjective assessment of a new diffractive trifocal contact lens Proc. SPIE 2971, 134 (1997); doi:10.1117/12.275107

Illustrations

Holo/Or: Dual Wavelength Lens, are still used in Surgical Laser systems — Dual Wavelength Lens, are still used in Surgical Laser systems

Worked examples

Example 1 — a first encounter with Holo/Or

Start with the simplest possible case. Write down what Holo/Or claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Holo/Or before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Holo/Or ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Holo/Or

In research: Holo/Or appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Holo/Or in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Holo/Or is common in secondary-school and first-year university syllabi. It links to neighbouring topics Companies established in 1989, Electronics companies of Israel, Israeli brands, so understanding it makes those chapters shorter.
In everyday life: Look for Holo/Or outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Holo/Or in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Holo/Or means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Holo/Or out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Holo/Or in simple terms?

Holo/Or is an international high-tech company, dedicated to the design, manufacturing and commercialization of new products based on diffractive optical elements (DOEs). Company profile Holo/Or is a leading company in the field of diffractive optical design and manufacture.

Why does Holo/Or matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Holo/Or?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Holo/Or.