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The combination helps synthesize phase-only holograms having high diffraction efficiencies.
The new method should be advantageous when holograms are to be formed with sources of short coherence length or through phase distorting media.
These holograms can be applied to accomplish phase transformations, geometrical transformations, and combinations of phase and geometrical transformations.
With this dry process, high diffraction efficiency and heat-stable holograms can be formed.
Journal ArticleDOI
01 Jul 1967-Nature
41 Citations
Such holograms behave like lenses or mirrors, but are easier and cheaper to produce and may replace them for certain applications involving coherent light.
Journal ArticleDOI
D. C. Chu, James R. Fienup 
37 Citations
These new on-axis holograms are very efficient both in their use of reconstruction light and in their use of display resolution elements during synthesis.
We demonstrate how light fields can be transformed into holograms, and vice versa.
This structure can be used to produce holograms of various sizes in real time with optimized memory access.
We anticipate that our strategy to fabricate holograms through laser ablation may hold great potential in personalized...
The proposed meta-holograms offer more freedom in holographic design an...

Related Questions

What are the catalysts for social movements?5 answersSocial movements are often catalyzed by various factors. One catalyst is the perception of threats to health, which can mobilize movements advocating for change in health policies and behaviors. Another catalyst is the desire for social, cultural, and political change in response to oppressive practices and exclusionary policies. Additionally, social movements can be sparked by the need for concrete alternatives to the harmful effects of the current economic model, with social enterprises and social innovation playing a role in this process. Furthermore, the emergence of social and solidarity economy (SSE) initiatives can be attributed to the activism of social movements, which create the conditions for local-level experiments that can be scaled up through policy changes. Overall, the catalysts for social movements include threats to health, oppressive practices, the need for alternatives, and the activism of social movements.
How can we optimize holograms?5 answersHolograms can be optimized using various methods. One approach is to model the hologram using a forward propagation model and compute it as a solution to an optimization problem based on the model. Another method involves optimizing the hologram based on a second-harmonic pattern to improve the uniformity of diffraction peaks. Additionally, the optimization of binary holograms can be achieved using techniques such as simulated annealing. For computer-generated holograms (CGHs), a parametric model can be used to optimize the design and minimize sensitivity to manufacturing errors. Furthermore, the Gerchberg-Saxton algorithm can be employed to optimize a phase-only hologram for optical interconnections. These methods enable the improvement of hologram performance and the achievement of desired outcomes.
What is a catalyst in atmospheric chemistry,?3 answersA catalyst in atmospheric chemistry is a substance that influences and impacts the chemical reactions that occur in the atmosphere. It plays a crucial role in the transformation of chemical pollutants in the atmosphere by facilitating and speeding up the reactions involved. Catalysts can be present in various forms, such as metals or metal oxides, and can be supported on different materials. They can also exist in the form of active components, such as silver oxide and silver chloride. Catalysts in atmospheric chemistry are essential for the removal or elimination of specific compounds, such as hydrogen, ozone, and organic matters, from the atmosphere. They enable the conversion of these compounds into less harmful substances, contributing to the purification and decontamination of the atmosphere.
How did holism helps yourself?5 answersHolism helps individuals by promoting growth, healing, and finding meaning in life experiences. It emphasizes the integration of the mind, body, and soul as a whole, acknowledging that the whole is greater than the sum of its parts. By embracing holistic principles such as presence, intent, unconditional acceptance, love, and compassion, individuals can facilitate their own growth and healing. Holism also encourages self-care and increasing self-knowledge, which can lead to personal transformation and well-being. The concept of holism recognizes that individuals exist in constant interaction with the universe and all that it contains, and that health and well-being depend on attaining harmony in these relationships. By embracing holism, individuals can strive for wholeness and navigate the uncertainties of life with creativity and novelty.
What is gykanta catalyst?10 answers
Why should reporters act like Catalyst?10 answers

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