Measurement of the core proximity in polished fiber substrates and couplers

Digonnet, Michel J. F.; Feth, J. R.; Stokes, L.F.; Shaw, H. J.

doi:10.1364/ol.10.000463

Cited by 59 publications

(10 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The polishing was stopped when evanescent field appeared at the central region of the block surface due to removing a few microns of the fiber cladding. The insertion loss of the fabricated SPF was less than 1 dB and an index matching oil drop test showed a loss of ~25 dB which is typical value used in fabrication of SPF type coupler [20]. The corresponding interaction length of the SPF is estimated to be about 3 mm.…”

Section: Fabrication and Characterization Of The Ws 2 -Samentioning

confidence: 89%

All-fiber Er-doped Q-Switched laser based on Tungsten Disulfide saturable absorber

Kassani¹,

Khazaeinezhad²,

Jeong³

et al. 2015

Opt. Mater. Express

125

View full text Add to dashboard Cite

We demonstrated a Q-switched fiber laser based on Tungsten Disulfide (WS 2 ) saturable absorber. The WS 2 nano-sheets were prepared by liquid phase exfoliation method and the saturable absorber was fabricated by spin-coating of few-layer WS 2 nano-sheets on a side-polished fiber for pulsed operation of a fiber laser. By inserting the absorber into an Erbiumdoped fiber laser cavity pumped by a 980 nm laser diode, a stable Qswitched laser operation was achieved with a tunable repetition rates from 82 kHz to 134 kHz depending on the applied pump power. The properties of the deposited WS 2 film was examined using scanning electron microscopic (SEM) and atomic force microscope (AFM). Detailed optical properties of the laser output are also discussed.

show abstract

Section: Fabrication and Characterization Of The Ws 2 -Samentioning

confidence: 89%

All-fiber Er-doped Q-Switched laser based on Tungsten Disulfide saturable absorber

Kassani¹,

Khazaeinezhad²,

Jeong³

et al. 2015

Opt. Mater. Express

125

View full text Add to dashboard Cite

show abstract

“…Then the fiber block was lapped and polished into the proximity of the fiber core to get access to the evanescent field ofthe fiber mode. For the monitoring ofthe polishing depth the liquid drop method was used [10]. Finally, the fiber block was coated with a thin chromium adhesion layer (thickness of 2 -3 nm) and a gold layer (thickness of45 am) by vacuum evaporation.…”

Section: Methodsmentioning

confidence: 99%

<title>Novel surface plasmon resonance sensor based on single-mode optical fiber</title>

Slavı́k¹,

Homola²,

Čtyroký³

1997

SPIE Proceedings

View full text Add to dashboard Cite

Surface plasmon resonance sensor based on resonant interaction between a guided mode of a single-mode optical fiber and a surface plasmon wave supported by a thin metal overlayer is presented. Two modes of operation of the sensor based on the measurement of changes in the fiber mode attenuation and on the measurement of changes in the wavelength at which the resonance occurs are described. Theoretical analysis of the proposed sensing structure based on the equivalent planar waveguide approach and the mode expansion and propagation method is carried out. It is shown that the operation range of the sensor may be tuned by a thin dielectric overlayer. Experimental results have shown that in both the modes of operation the sensor is capable ofdetecting changes in the refractive index ofthe sensed medium below 2x lOs.

show abstract

“…Before etching, our fibres had a cladding thickness of d In a typical optical fibre, the fibre mode effective index n eff lies between the cladding refractive index n cl and the core refractive index n co . In the case of our D-fibre with a surrounding refractive index, n s , n eff is changed, and for n s ≥ n eff , the mode becomes leaky 28,29,30,31,32 . For the case where n s > n eff , the propagation constant for the structure's leaky TE 0 mode is complex, with real and imaginary parts, β r and β j , respectively.…”

Section: Operating Principlesmentioning

confidence: 99%

Refractive index sensor based on etched D-fibres with wavelength adjustable operating point and resolution

Chandani

Jaeger

2008

SPIE Proceedings

View full text Add to dashboard Cite

Silica based fibre-optic refractive index sensors are gaining acceptance over conventional refractometers and finding applications in chemical/biological sensing due to many of their desirable properties. Here we present an optical fibrebased refractive index sensor that uses the power transmission through etched D-shaped fibres. The sensor's operating point and resolution can be tailored for a specific application by selecting the correct combination of the operating wavelength and the cladding thickness of the etched fibre. The sensor's power transmission depends on the surrounding refractive index in which the sensor head is immersed. The sensor presented has a maximum resolution on the order of 10 -6 in its "high resolution" region and on the order of 10 -4 in its "low resolution" region. The refractive index at which the maximum resolution occurs in the high resolution region can be shifted by ~0.012 and by ~0.027 in the low resolution region. To date, such high resolutions have been reported over narrow ranges and/or for fibre Bragg grating based sensors, which require optical spectral analysis which typically, is costly.

show abstract

Measurement of the core proximity in polished fiber substrates and couplers

Cited by 59 publications

References 4 publications

All-fiber Er-doped Q-Switched laser based on Tungsten Disulfide saturable absorber

All-fiber Er-doped Q-Switched laser based on Tungsten Disulfide saturable absorber

<title>Novel surface plasmon resonance sensor based on single-mode optical fiber</title>

Refractive index sensor based on etched D-fibres with wavelength adjustable operating point and resolution

Contact Info

Product

Resources

About