Acoustooptical pulse modulators

Maydan, D.

doi:10.1109/jqe.1970.1076309

Cited by 105 publications

(28 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Notably, the individual intensity of various diffraction orders—up to nine in this experiment—can be adjusted in a time scale of tens of nanoseconds. Such remarkable speed is well above the limits of traditional AODs, which use traveling acoustic waves and have a typical response time of microseconds, mainly limited by clear aperture and speed of sound …”

Section: Temporal Characteristics and Tunabilitymentioning

confidence: 99%

Dynamic Multifocus Laser Writing with Acousto‐Optofluidics

Zunino

Surdo

2019

Adv Materials Technologies

View full text Add to dashboard Cite

Laser writing of materials is normally performed by the sequential scanning of a single focused beam across a sample. This process is time‐consuming and it can severely limit the throughput of laser systems in key applications such as surgery, microelectronics, or manufacturing. A parallelization strategy based on ultrasound waves in a liquid to diffract light into multiple beamlets is reported. Adjusting amplitude, frequency, or phase of ultrasound allows tunable multifocus distributions with sub‐microsecond control. When combined with sample translation, the dynamic splitting of light leads to high‐throughput laser processing, as demonstrated by locally modifying the morphological and wettability properties of metals, polymers, and ceramics. The results illustrate how acousto‐optofluidic systems are universal tools for fast multifocus generation, with potential impact in fields such as imaging or optical trapping.

show abstract

Section: Temporal Characteristics and Tunabilitymentioning

confidence: 99%

Dynamic Multifocus Laser Writing with Acousto‐Optofluidics

Zunino

Surdo

2019

Adv Materials Technologies

View full text Add to dashboard Cite

show abstract

“…As preconditions to the following approach, the quotient of laser beam divergence θ 0 and acoustic beam divergence θ a has to be smaller than 0.67 (thus limiting ellipticity of the laser beam after passage of the AOM crystal to a negligible amount) and the rise time of the RF driver voltage has to be much lower than the transit time ( = time that the acoustic wave needs to travel through the beam waist diameter 2w 0 ) [7,8]. The latter precondition is fulfilled in the majority of commercially available AOMs.…”

Section: Power Modulation Via Aom At Fundamental Wavelengthmentioning

confidence: 99%

Analytic and experimental investigations on influence of harmonic generation on acousto-optical modulation

Bechtold¹,

Hentschel²,

Schmidt³

2012

Opt. Express

View full text Add to dashboard Cite

In application, laser power is modulated prior to harmonic generation to a large part. Consequently modulation characteristics are influenced as a result of the non-linearity of harmonic generation. Within this paper, straight-forward approaches to calculate modulation key parameters (rise time, fall time, bandwidth and contrast ratio) of an acoustooptical modulator prior to harmonic generation stage are presented. The results will be compared to experimental data for third harmonic generation (THG) of a 1064 nm fs-laser which is power-modulated by a TeO 2 -AOM prior to THG. In the latter case, rise time and fall time are significantly reduced to approximately 66% after THG both in experimental and analytical study.

show abstract

“…Visser et al [10] created multiple optical traps using a single fast scanning trap. An acousto-optic modulator [11] can be used to scan beams to generate multiple beam traps [12]. However, these approaches with multiple beam paths or raster type mechanical beam steering require complicated mechanical systems.…”

Section: Multiple Trap Systemsmentioning

confidence: 99%

Manufacturing of two and three-dimensional micro/nanostructures by integrating optical tweezers with chemical assembly

2005

View full text Add to dashboard Cite

Optical tweezers have been used as versatile tools for non-contact manipulation of micrometer-sized entities. This paper proposes a hybrid micro/nanoscale manufacturing system using optical tweezers and chemical linkages for fabricating 2D and 3D micro/nanostructures. A holographic multiple trap optical tweezers system is first used to trap particles in a desired pattern. The particles are then connected to form rigid units using suitable chemistry. Connection schemes based on gold seeding, complementary-DNA linkage and streptavidin-biotin chemistry are presented and possible applications of this technique are explored. This method combines the advantages of top-down and bottom-up approaches and is compatible with organic and inorganic materials.

show abstract

Acoustooptical pulse modulators

Cited by 105 publications

References 16 publications

Dynamic Multifocus Laser Writing with Acousto‐Optofluidics

Dynamic Multifocus Laser Writing with Acousto‐Optofluidics

Analytic and experimental investigations on influence of harmonic generation on acousto-optical modulation

Manufacturing of two and three-dimensional micro/nanostructures by integrating optical tweezers with chemical assembly

Contact Info

Product

Resources

About