Search Results - "stimulated emission"

Laser He - Ne by Che Dah, Zamri

“…Laser ialah suatu aksiom amplikasi cahaya oleh pancaran yang terangsang (LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION). Laser ialah suatu yang mengeluarkan alur cahaya yang sangat selari, giat dan peka. …”
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Study Of Biostimulation Effect On Normal And Anaemic Human Blood Cell Irradiated By 589 nm And 532 nm Laser by Fauzi, Nabihah

“…Laser (light amplification by stimulated emission of radiation) is a monochromatic light. …”
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Enhancement of Gain in L-Band Bismuth-Based Erbium-Doped Fibre Amplifier Using an Un-pumped EDF and Midway Isolator by Chong, W. Y, Harun, S. W, Ahmad, H

“…It uses a backward C-band amplified stimulated emission from both the ends of a bismuth-based EDFA system to pump an unpumped erbium-doped fibre (EDF) for gain enhancing. …”
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Effect of low-level phototherapy on delayed onset muscle soreness: a systematic review and meta-analysis by Nampo, F., Cavalheri, Vinicius, Ramos, S., Camargo, E.

“…To determine the effectiveness of low-level phototherapy (i.e. light-emitting diode therapy [LEDtherapy] or light amplification by stimulated emission of radiation therapy [LASERtherapy]) on pain, skeletal muscle injury (creatine kinase [CK] levels and edema) and skeletal muscle function (range of movement and strength) in people undergoing an exercise protocol. …”
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Structural and optical properties of Er3 +-Yb3 + codoped multicomposition TeO2-ZnO-PbO-TiO2-Na2O glass by Omar Baki, Sharudin, Tan, L. S., Kan, C. S., Mohamed Kamari, Halimah, Muhammad Noor, Ahmad Shukri, Mahdi, Mohd Adzir

“…Optical absorption measurements have been carried out and analyzed by Judd–Ofelt and McCumber theories where important spectroscopic parameters such as intensity parameters Ωt (t = 2, 4, 6) transition probabilities, and stimulated emission cross section at 1.5 μm are calculated. …”
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Sub kGy photon irradiation alterations in graphite by Bradley, D.A. *, Siti Nurasiah, M. N, Khandaker, Mayeen Uddin *, Almugren, K.S., Abdul Sani, S.F.

“…The study provides detailed analysis of radiation-induced structural interaction changes and the associated luminescence that originates from the energy absorption. Thermally stimulated emission from the different occupied defect energy levels reflects the received radiation dose, different for the different diameter PPLGs. …”
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Eu3+ ions doped zinc borotellurite glass system for white light laser application: structural, physical, optical properties, and Judd-Ofelt theory by Adamu, S. B., M. K., Halimah, Chan, K. T., Muhammad, F. D., Nazrin, S. N., Tafida, R. A.

“…Furthermore, the gain bandwidth and optical gain value were found between (14.295 to20.340)×10−28cm2 and (12.576 to 15.693)×10−25cm2, respectively, for the 5D2 → 7F2 transition. In addition, stimulated emission cross-section and branching ratio values of 14.029×10−22cm2 and 66.54% were achieved from TBZEu0.04 prepared glass, indicating a promising potential for white-light lasing application.…”
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Raman, Judd–Ofelt, and photoluminescence analysis of Ho3+/Yb3+-doped borotellurite glasses for potential laser applications by Mazlan, M., Tan, Winie, Sazali, E.S., Zaid, M.H.M., Hisam, R.

“…Intriguingly, a novel peak at 738 nm associated with the 5F4 → 5I7 transition in Ho3+ ions, linked to energy transfer from Yb3+ to Ho3+. The stimulated emission cross section for the green and red emission were (0.324 – 0.347) × 10−20 cm2 and (0.387 – 0.423) × 10−20 cm2 respectively. …”
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Er3+/Dy3+ codoped B2O3-TeO2-PbO-ZnO-Li2O-Na2O glasses: Optical absorption and fluorescence features study for visible and near-infrared fiber laser applications by Lakshminarayana, G., Abbas, Bashar Khudhair, Omar Baki, Sharudin, Lira, A., Caldiño, U., Meza-Rocha, A. N., Falcony, C., Camarillog, E., Kityk, I. V., Mahdi, Mohd Adzir

“…For singly 1.0 mol% Er3+ and 0.5 mol% Dy3+-doped samples, the evaluated stimulated emission cross-sections (σPE) for the transitions at λem. = 0550 nm, and 574 nm are equal to 20.923×10-20 cm2 and 0. 526×10-20 cm2, while the gain bandwidths are 3.975×10-25 cm3 and 0.789×10-26 cm3, respectively. …”
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Elastic, structural and optical properties of zinc borotellurite glass system doped with europium oxide co-doped silver oxide nanoparticles by Adamu, Suleiman Bashir

“…The results revealed 5D0 →7F2 ED transition exhibits the highest radiative properties, such as branching ratio (βr) and stimulated emission cross-section (σse). These parameters for Eu2O3 glasses range from 54.03 to 66.54 % and 10.039 to 14.029 × 10-22 cm2, for Eu2O3 NPs from 57.61 to 67.82 % and 12.099 to 14.765 × 10-22 cm2, for Ag NPs (Eu) from 57.233 to 68.756 % and 13.172 to 19.285 × 10-22 cm2 and for Ag NPs (Eu NPs) glasses from 58.645 to 69.073% and 12.914 to 20.760 × 10-22 cm2, respectively. …”
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Artificial Intelligent Model to Predict Surface Roughness in Laser Machining by M. M., Noor, K., Kadirgama, M. R. M., Rejab, M. M., Rahman, R. A., Bakar

“…Light Amplification Stimulation Emission of Radiation or the common name is Laser. …”
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Low-level phototherapy to improve exercise capacity and muscle performance: a systematic review and meta-analysis by Nampo, F., Cavalheri, Vinicius, Soares, F., Ramos, S., Camargo, E.

“…The aim of this study was to evaluate the effectiveness of pre-exercise low-level phototherapy (Light-Emitting Diode therapy [LEDtherapy] or Light Amplification by Stimulate Emission of Radiation therapy [LASERtherapy]) in increasing exercise capacity and muscle performance of people undergoing exercise when compared to placebo treatment. …”
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