Tunable whispering gallery mode emission from a microdroplet in elastomer

Saito, Mitsunori; Shimatani, Hiroya; Naruhashi, Hideyuki

doi:10.1364/oe.16.011915

Cited by 52 publications

(36 citation statements)

References 11 publications

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“…5). The highest sensitivity for the microfiber laser was measured to be 0.45 pm/με (strain) and 5.66 nm·N −1 (force) with the fiber diameter of 45 μm and PMMA to epoxy resin mass ratio of 0.4, which is similar to the previously reported spherical WGM sensors [29,32]. As the minimum distinguishable mode shift of the microfiber laser is determined by the FWHM [19], the limit of detection of the 45-μm microfiber laser is calculated to be 1.76 ×…”

Section: Deformation-induced Wavelength Tuning and The Sensing Applicsupporting

confidence: 88%

“…The GIX Microplotter II from Sonoplot, INC was employed for the fabrication of the microfibers. With micrometer-level flexible control of the motors and abundant fabrication techniques like inkjet printing, plotting and drawing, the microplotter has been proved to be a powerful tool in micro-structure design and implementation, especially for the soft materials [19,28,29]. As shown in Fig.…”

Section: Spiral Drawing Of the Microfiber Lasersmentioning

confidence: 99%

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Wavelength tuning of the spirally drawn whispering gallery mode microfiber lasers and the perspectives for sensing applications

et al. 2017

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Facile and cost-efficient microcavities, as well as the tuning of the optical modes, especially for the application of top-grade optical devices, have been emerging as attractive research fields. In this work, controllable fabrication of the microfiber laser arrays in polymer matrix is achieved by employing the advanced spiral drawing technique. Besides the highquality whispering gallery mode (WGM) lasing, wavelength tuning is also realized by applying external forces on the polymer matrix, which induce slightly enlarged cavity sizes. Furthermore, the perspectives of utilizing the microfiber arrays as force and strain sensors are discussed and demonstrated. and lasing from CdSe/CdS/ZnS core-multi-shell quantum dots by simultaneous three-photon absorption," Adv.

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Section: Deformation-induced Wavelength Tuning and The Sensing Applicsupporting

confidence: 88%

Section: Spiral Drawing Of the Microfiber Lasersmentioning

confidence: 99%

Wavelength tuning of the spirally drawn whispering gallery mode microfiber lasers and the perspectives for sensing applications

et al. 2017

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“…These waves are the resonance modes of the cavity; they are also called the whispering gallery modes (WGMs). We and others have demonstrated enhancement of light and lasing in WGMs from microcavities made of droplets [1][2][3][4][5][6][7][8]. Microdroplets-with their small sizes, and with their surfaces made spherical and smoothed by surface tension-are effective optical microcavities.…”

Section: Introductionmentioning

confidence: 99%

Continuously tunable microdroplet-laser in a microfluidic channel

Tang¹,

Derda²,

Quan³

et al. 2011

Opt. Express

119

122

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Abstract:This paper describes the generation and optical characterization of a series of dye-doped dropletbased optical microcavities with continuously decreasing radius in a microfluidic channel. A flow-focusing nozzle (FFN) generated the droplets (~ 21 μm in radius) using benzyl alcohol as the disperse phase and water as the continuous phase. As these drops moved down the channel, they dissolved, and their size decreased. The emission characteristics from the drops could be matched to the whispering gallery modes from spherical micro-cavities. The wavelength of emission from the drops changed from 700 to 620 nm as the radius of the drops decreased from 21 μm to 7 μm. This range of tunability in wavelengths was larger than that reported in previous work on droplet-based cavities.3

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“…Reproduced from [146] with permission. Figure 12: Optical tweezers attract particles to the most intense part of a highly focussed laser beam, in an analagous manner to a particle attached to a Hookean spring.…”

Section: Discussionmentioning

confidence: 99%

Droplet lasers: a review of current progress

McGloin

2017

Rep. Prog. Phys.

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Abstract. It is perhaps surprising that something as fragile as a microscopic droplet could possibly form a laser. In this article we will review some of the underpinning physics as to how this might be possible, and then examine the state of the art in the field. The technology to create and manipulate droplets will be examined, as will the different classes of droplet lasers. We discuss the rapidly developing fields of droplet biolasers, liquid crystal laser droplets and explore how droplet lasers could give rise to new bio and chemical sensing and analysis. The challenges that droplet lasers face in becoming robust devices, either as sensors or as photonic components in lab on a chip devices is assessed.

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Tunable whispering gallery mode emission from a microdroplet in elastomer

Cited by 52 publications

References 11 publications

Wavelength tuning of the spirally drawn whispering gallery mode microfiber lasers and the perspectives for sensing applications

Wavelength tuning of the spirally drawn whispering gallery mode microfiber lasers and the perspectives for sensing applications

Continuously tunable microdroplet-laser in a microfluidic channel

Droplet lasers: a review of current progress

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