Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Retno Wigajatri"'
Autor:
Naufal Aiman Madani, Retno Wigajatri Purnamaningsih, Nji Raden Poespawati, Maratul Hamidah, Sasono Rahardjo, Dena Karunianto Wibowo
Publikováno v:
International Journal of Technology, Vol 14, Iss 7, Pp 1527-1536 (2023)
The aim of this study was to investigate the detection of low hydrostatic pressure, serving as the foundation for developing an underwater pressure sensor. This included creating a single-mode, uniformly structured Fiber Bragg Grating (FBG) with a
Externí odkaz:
https://doaj.org/article/1efc2ddb3b5641debea7029fd26f0776
Publikováno v:
International Journal of Photoenergy, Vol 2020 (2020)
Perovskite solar cell is categorized as a third-generation solar cell which is used for its high-performance and low-cost production. However, device stability is a major problem in the development of perovskite solar cells. Mixed halide perovskite i
Externí odkaz:
https://doaj.org/article/2f14d62b09754972b76ecac47e5b3b04
Publikováno v:
International Journal of Technology, Vol 7, Iss 4, Pp 701-708 (2016)
We propose a simple design of 1×3 optical power splitter which uses gallium nitride (GaN) on sapphire. The design consists of widely used large cross section input rib waveguide, a rectangular multimode interference (MMI) structure, and three-bra
Externí odkaz:
https://doaj.org/article/81beeb7c81cf42caaed8525e4606e3a4
Publikováno v:
Photonics, Vol 6, Iss 2, p 63 (2019)
This paper details the design of a 1 × 8 optical power divider, using a gallium nitride (GaN) semiconductor on sapphire, which can be applied to underwater optical wireless communication. The design consists of nine parallel rectangular waveguides w
Externí odkaz:
https://doaj.org/article/0db23ddbd83a4b8ba412efef94f1b670
Publikováno v:
Jurnal Penelitian Pendidikan IPA. 8:1184-1190
Based on ISO 17025: 2017 clause 7.7, SNSU BSN as the peak of traceability must have quality assurance for measurement results, this is in line with the peer review result of Electrical Laboratory in 2017 and 2019 that suggest doing an intermediate ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::571ec9f359566cfb75ac75cc39b9c62b
https://doi.org/10.29303/jppipa.v8i3.1467
https://doi.org/10.29303/jppipa.v8i3.1467
Autor:
Madani, Naufal Aiman, Purnamaningsih, Retno Wigajatri, Poespawati, Nji Raden, Hamidah, Maratul, Rahardjo, Sasono, Wibowo, Dena Karunianto
Publikováno v:
International Journal of Technology; 2023, Vol. 14 Issue 7, p1527-1536, 10p
Autor:
Abuzairi, Tomy, Okada, Mitsuru, Mochizuki, Yohei, Poespawati, Nji Raden, Purnamaningsih, Retno Wigajatri, Nagatsu, Masaaki
Publikováno v:
In Carbon August 2015 89:208-216
Publikováno v:
International Journal of Photoenergy. 2020:1-10
Perovskite solar cell is categorized as a third-generation solar cell which is used for its high-performance and low-cost production. However, device stability is a major problem in the development of perovskite solar cells. Mixed halide perovskite i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f68ae6b8b1b684d44b8f90f5cefcd7b5
https://doi.org/10.1155/2020/8827917
https://doi.org/10.1155/2020/8827917
Autor:
Rizqy Pratama Rahman, Retno Wigajatri Purnamaningsih, Nji Raden Poespawati, Tomy Abuzairi, Junivan Sulistianto
This paper shows the attempt to increase the performance of triple-junction hydrogenated silicon solar cells with structure nc-Si:H/a-Si:H/a-SiGe:H. The wxAMPS software was used to simulate and optimize the design. In an attempt to increase the perfo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81bb9eed159346dec5fcf3aa13efd820
https://zenodo.org/record/4895779
https://zenodo.org/record/4895779
Publikováno v:
Fourth International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2020).
This paper reported the design of the optical switch using GaN/sapphire for telecommunication wavelength at 1.55 μm. The design of optical switch based on Mach-Zehnder Interferometer which is consists of two directional couplers connected by two rec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f46494ff54a71828392eac09756f2468
https://doi.org/10.1117/12.2585576
https://doi.org/10.1117/12.2585576