Zobrazeno 1 - 10
of 122
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:
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
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 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:
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
Publikováno v:
E3S Web of Conferences, Vol 67, p 01022 (2018)
Indonesia is an archipelagic nation that has many small islands where the average load is low and currently supplied by diesel power generators. The drawbacks from these generators are cost constraints from its operation. Solar cells are the solution
Externí odkaz:
https://doaj.org/article/96f101068de54cab85261ec4d54e73da
Publikováno v:
E3S Web of Conferences, Vol 67, p 01021 (2018)
Research in solar cells is needed to maximize Indonesia’s vast solar potential that can reach up to 207.898 MW with an average radiation of 4.8 kWh/m2/day. Organometallic perovskite solar cells (PSCs) have gained immense attention due to their rapi
Externí odkaz:
https://doaj.org/article/33d92078667c4315991751ccd0cf0336