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Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1065451
Description: We report a synchronously-pumped femtosecond diamond Raman laser operating at 890 nm with a slope efficiency of 32%. Pumped using a mode-locked Ti:Sapphire laser at 796 nm with a pulse duration of 194 ... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1062588
Description: Factors affecting the output efficiency of an external cavity quasi-cw KYW Raman laser were investigated. We show that a major limit to efficiency, in addition to thermal effects, results from a casca ... More
Reviewed: Reviewed
Date: 2015
Subject Keyword: Diamond | Raman gain | Raman scattering
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1062180
Description: The effect of multi-longitudinal-mode interference on pump-probe Raman gain measurements is studied as the functions of laser linewidth and correlation between the pump and probe temporal structures. ... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1062509
Description: Defect induced stress birefringence in CVD grown diamond has been investigated using Metripol and Mueller polarimetry. Optical rotation was observed, up to a maximum of 280 through an 8 mm long diamon ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/327752
Description: Fungal infection of nails, onychomycosis, is predominantly caused by Trichophyton rubrum. This infection is an important public health concern due to its persistent nature and high recurrence rates. A ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/327832
Description: Scientists are using high-purity synthetic diamonds to create novel devices that offer increased laser power, brightness and wavelength reach.
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/321509
Description: We report a pulsed mid-infrared diamond Raman laser with output tuned from 3.38 to 3.80 μm through varying the optical parametric oscillator (OPO) pump wavelength. To our knowledge this is the longest ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/321159
Description: We report an investigation into a double metal tungstate Raman laser when pumped at elevated average powers. Potassium gadolinium tungstate (KGW) was placed in an external cavity configured for second ... More
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Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/321181
Description: We present a highly efficient picosecond diamond Raman laser synchronously-pumped by a 4.8 W mode-locked laser at 1064 nm. A ring cavity was adopted for efficient operation. With a low-Q cavity for fi ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/321530
Description: Quasi-cw pumping is used to investigate the high-power characteristics of cw beam conversion in diamond Raman lasers (DRLs). We show that thermal gradients establish in DRLs at approximately 50 μs for ... More
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Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/304228
Description: We present an OPO pumped mid IR diamond Raman laser with tuneable output from 3.49 μm to 3.78 μm, which to our knowledge is the longest wavelength produced in a solid state Raman laser. Up to 59 μJ is ... More
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Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/345865
Description: We demonstrate Raman beam combining of three incoherent beams in diamond using a non-collinear pump geometry. At the kilowatt peak power level, more than 70% of each beam is converted to the Stokes be ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/345842
Description: We present an analytical steady-state model of an external cavity Raman laser.We use this model to optimise a quasi-cw pumped diamond Raman laser with 23Wof steady-state Stokes power in 30 ms pulses.
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/306146
Description: Brightness enhancement in an external cavity diamond Raman laser designed for high power conversion of a neodymium (1064 nm) laser to the eye-safe spectral region is reported. Using a multimode input ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/321191
Description: The transient thermal lens in a high-average power double metal tungstate Raman laser has been investigated. An external cavity potassium gadolinium tungstate (KGW) laser designed for second-Stokes ou ... More
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Reviewed: Reviewed