Memperkenalkan laser sekali pakai
Ultra - murah , mudah untuk membuat 'lasing capsules' dengan printer inkjet
Date:
May 3, 2016
Source:
American Institute of
Physics
Summary:
Sejak laser diciptakan lebih dari 50 tahun yang lalu , mereka telah mengubah petak beragam teknologi - dari CD player ke instrumen bedah . Sekarang peneliti telah menemukan cara untuk mencetak laser yang sangat murah , mudah dan efisien . mereka percaya inti dari laser dapat dibuang setelah digunakan
Sejak laser diciptakan lebih dari 50 tahun yang lalu , mereka telah mengubah petak beragam teknologi - dari CD player ke instrumen bedah . Sekarang peneliti telah menemukan cara untuk mencetak laser yang sangat murah , mudah dan efisien . mereka percaya inti dari laser dapat dibuang setelah digunakan
.........................
Sejak laser diciptakan lebih dari 50 tahun yang lalu , mereka telah mengubah petak beragam teknologi - dari CD player ke instrumen bedah .
Sekarang peneliti dari Perancis dan Hungaria telah menemukan cara untuk mencetak laser yang sangat murah , mudah dan efisien , mereka percaya inti dari laser dapat dibuang setelah digunakan . Tim melaporkan temuannya dalam Journal of Applied Physics , dari AIP Publishing .
" murah dan
kemudahan fabrikasi chip laser adalah
aspek yang paling signifikan dari hasil kami , " kata
Sébastien Sanaur , seorang profesor di the Center of Microelectronics in
Provence at the Ecole Nationale Supérieure des Mines de Saint-Étienne in
France.
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Introducing the
disposable laser
Ultra-low-cost, easy to fabricate 'lasing capsules' made with an inkjet
printer
Date:
May 3, 2016
Source:
American Institute of
Physics
Summary:
Since lasers were invented more than 50 years ago, they have transformed a
diverse swath of technology -- from CD players to surgical instruments. Now researchers
have invented a way to print lasers that's so cheap, easy and efficient they
believe the core of the laser could be disposed of after each use.
.........................
Since lasers were invented more than 50 years ago, they have transformed a
diverse swath of technology -- from CD players to surgical instruments.
Now researchers from France and Hungary have invented a way to print lasers
that's so cheap, easy and efficient they believe the core of the laser could be
disposed of after each use. The team reports its findings in the Journal
of Applied Physics, from AIP Publishing.
"The low-cost and easiness of laser chip fabrication are the most
significant aspects of our results," said Sébastien Sanaur, an associate
professor in the Center of Microelectronics in Provence at the Ecole Nationale
Supérieure des Mines de Saint-Étienne in France.
Sanaur and his colleagues made organic lasers, which amplify light with
carbon-containing materials. Organic lasers are not as common as inorganic
lasers, like those found in laser pointers, DVD players, and optical mice, but
they offer benefits such as high-yield photonic conversion, easy fabrication,
low-cost and a wide range of wavelengths.
One obstacle that has held back organic lasers is the fact that they
degrade relatively quickly -- but that hurdle might be less daunting if the
lasers are so cheap they could be tossed when they fail.
Sanaur's research team produced their ultra-low-cost organic laser using a
familiar technology: an inkjet printer.
Inkjet printing is a relatively inexpensive manufacturing process that
works by squirting small jets of fluid onto an underlying material. The inkjet
printer at your office is only one form of the technology -- scientists have
also adapted it to print electronic circuits, pharmaceutical drugs and even
biological cells.
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Inkjet printing adalah proses manufaktur yang relatif murah yang bekerja dengan menyemprotkan jet kecil cairan ke bahan yang mendasari . Printer inkjet di kantor Anda hanya salah satu bentuk teknologi - ilmuwan juga telah mengadaptasi untuk mencetak sirkuit elektronik , obat-obatan farmasi dan bahkan sel-sel biologis .
"By piezoelectric inkjet printing, you print 'where you want, when you
want,' without wasting raw materials," Sanaur said. The technique doesn't
require masks, can be done at room temperature and can print onto flexible
materials.
The researchers tested a variety of possible inks, before settling on a
commercial ink variety called EMD6415, which they mixed with dyes. The ink was
printed in small square shapes onto a quartz slide.
The dyed ink acted as the core of the laser, called a gain medium. A gain
medium amplifies light and produces the characteristically narrow, single-color
laser beam.
A laser also requires mirrors to reflect light back and forth through the
gain medium and an energy source, called a pump, to keep the light
amplification going.
The disposable part of the new laser is the printed gain medium, which the
researchers call the "lasing capsule." They estimate it could be
produced for only a few cents. Like the replaceable blades in a razor, the
lasing capsule could be easily swapped out when it deteriorates.
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Bagian sekali pakai
dari laser baru adalah keuntungan media cetak , yang para peneliti
sebut "lasing capsule." Mereka
memperkirakan itu bisa diproduksi untuk hanya dengan beberapa sen . Seperti
pisau pengganti pada pisau cukur , lasing capsule dapat
dengan mudah ditukar ketika telah memburuk .
The research team used two different types of dyes to produce laser
emission ranging from yellow to deep red. Other dyes could cover the blue and
green part of the spectrum, they predict.
With further development, the inexpensive inkjet-printed laser could send
data over short plastic fibers and serve as a tool for analysing chemical or
biological samples.
Story Source:
The above post is reprinted from materials provided byAmerican
Institute of Physics. Note: Materials may be edited for content
and length.
Journal Reference:
1.
Oussama Mhibik, Sébastien Chénais, Sébastien Forget, Christophe Defranoux,
Sébastien Sanaur. Inkjet-printed vertically emitting solid-state
organic lasers. Journal of Applied Physics, 2016; 119 (17):
173101 DOI:10.1063/1.4946826
Sumber :