Request pdf functional organic single crystals for solidstate laser applications because of longrange order and high chemical purity, organic crystals have exhibit unique properties and. These lasers use laser dye solutions as their gain media organic lasers are inherently tunable and when configured as optimized multipleprism grating laser oscillators can yield efficient singletransverse mode, and singlelongitudinalmode, emission with laser. This device is a vertical cavity surfaceemitting laser realized by using a couple of distributed bragg reflectors dbrs, on which a dyedoped polymer thin film and a polydimethylsiloxane film are deposited individually. We demonstrate very low threshold laser oscillation e th 0. Optically pumped laser emission has been observed from thin films of 8hydroxyquinolinato aluminum alq doped with a dcm dye deposited on a diffraction grating formed by imprinting a film of bcb w. Organic dye lasers have the distinct privilege of being the first broadly tunable lasers. Organic solidstate lasers sebastien forget, sebastien. Organic solidstate lasers ossls based on singlet fluorescence have merited intensive study as an important class of light sources. Referring originally to dyes in solidstate polymeric matrices, organic lasers also include the rich family of organic semiconductors, paced by the rapid development of organic lightemitting diodes. Deep blue widely tunable organic solidstate laser based. Referring originally to dyes in solidstate polymeric matrices, organic lasers also include the rich family of organic semiconductors, paced by the rapid development of organic light emitting diodes. A dye laser is a laser that uses an organic dye liquid solution as the laser medium. Gain media research for ssdl has been rather active in the 21st century, and various new dyedoped solidstate organic matrices have been discovered. Notable among these new gain media are organic inorganic dyedoped polymernanoparticle composites.
High brightness diodepumped organic solidstate laser. Osa compact solidstate organic laser with fine and. Solidstate lasing is observed in thin films of this material deposited on a distributedfeedback dfb grating substrate. Organic solidstate lasers iopscience institute of physics. Organic lasers are broadly tunable coherent sources, potentially compact, convenient and manufactured at lowcosts.
Request pdf on jan 1, 20, sebastien forget and others published organic solidstate lasers find, read and cite all the research you need on. Osa thermal effects in thinfilm organic solidstate lasers. Referring originally to dyes in solidstate polymeric. The theses focuses on comparing different methods of determining the threshold energy, which leads to an amplified spontaneous emission of. Organic solidstate lasers ossls have undergone great progresses in the past two decades and will boost the society development since the realization of electrically pumped ossls in 2019. Organic solidstate lasers with imprinted gratings on plastic. Organic inorganic nanoparticle gain media are nanocomposites developed for solid state dye lasers and can also be utilized in biosensors, bio analytics, and nonlinear organic photonics applications. Request pdf on jan 1, 20, sebastien forget and others published organic solidstate lasers find, read and cite all the research you need on researchgate.
Demonstrations of light amplification and laser action in photoexcited solidstate organic materials 1 rapidly followed the invention of liquid dye lasers 2. Electrically tunable organic verticalcavity surface. Organic solidstate lasers with imprinted gratings on. The demonstration of continuouswave lasing from organic semiconductor films is highly desirable for practical applications in the areas of spectroscopy, data communication, and sensing, but it still remains a challenging objective.
An organic dyedoped polymer laser with a novel wavelengthtuning mechanism is proposed. Jul 30, 2010 the replacement of expensive bulky laser pump sources with small solid state diode lasers, which are commercially available and extremely cheap, is a real breakthrough for potential applications. With the recent development of organic solid state lasers ossls architectures enabling power scaling and progresses towards continuouswave operation, the question of thermal effects now arises in ossls. We report on various sexiphenyl derivatives as gain media in organic solidstate lasers. The molecules involved in this research are simple psexiphenyl, the laser dye molecule 2,5,2,5tetratbutylpsexiphenyl tbs and the spirolinked sexiphenylderivative 2,7bisbiphenyl4yl2,7ditertbutyl9,9spirobifluorene. Organic solidstate lasers with imprinted gratings on plastic substrates appl. A solid state laser is a laser that uses a gain medium that is a solid, rather than a liquid as in dye lasers or a gas as in gas lasers. While the traditional dye laser has been largely replaced by solidstate lasers, a number of new and miniaturized organic lasers have emerged that hold great. We report silicon nitride organic hybrid laser designs pumped with a laser diode. Solid state laser with excellent beam quality jenoptik. Dye lasers can emit both pulsed and continuouswave forms, can be pumped with a wide variety of. Organic solidstate lasers are essential for various photonic applications, yet currentdriven lasing remains a great challenge. Random lasing with onedimensional coherent feedback has recently been achieved in organic molecular nano. We report lowthreshold surfaceemitting organic distributed feedback lasers operating in the quasicontinuouswave regime at 80 mhz as well as under longpulse.
Organic phosphorescence nanowire lasers journal of the. Toward continuouswave operation of organic semiconductor lasers. Organic solidstate lasers springer series in optical. The development of such an understanding is undertaken in this progress report, which systematically explores the now. One of the dbrs is electrically driven to vary the effective cavity length. Semiconductorbased lasers are also in the solid state, but are generally considered as a separate class from solid state lasers see laser diode. Low lasing threshold in organic distributed feedback solid. Solidstate lasers um personal world wide web server. While the traditional dye laser has been largely replaced by solidstate lasers, a number of new and miniaturized organic. In dye laser the liquid material called dye for example rhodamine b, sodium fluoresein and rhodamie 6g uses as an active medium, which causes to produce laser light. Nearinfrared solidstate lasers based on small organic. Laser basics fundamentals of organic lasers organic materials for solidstate lasers organic lasers resonators novel concepts for organic lasers towards applications of organic solidstate lasers. Solid state lasers for industrial micro material processing and medical treatments.
With the recent development of organic solidstate lasers ossls architectures enabling power scaling and progresses towards continuouswave operation, the question of thermal effects now arises in ossls. A thermal microscope is used to record temperature maps at the organic thin. Organic photonics for communications nature photonics. Jul 28, 2000 we report on electrically driven amplified spontaneous emission and lasing in tetracene single crystals using fieldeffect electrodes for efficient electron and hole injection. These lasers have been widely used in research and spectroscopy because of there wide tuning ranges. Jcm 2 from an organic semiconductor thin film employing 2,5bispnphenylnmtolylamino styrylbenzene bsbme as an active gain medium equipped with a second order distributed feedback resonator. Many favorable characteristics such as chemical stability, mechanical durability, and long operational lifetime have put these laser systems among the most preferred candidates for a wide range. A dye laser is made up of an organic dye mixed with a solvent. Besides the most frequently demonstrated siliconbased circuits, pics require a variety of materials for light generation, processing, modulation, and detection. For laser action, feedback is provided by reflections at the cleaved edges of the crystal resulting in a fabryperot resonator. Types of lasers 301 570640 nm rhodamine 6g and many others. A complete solutions manual for instructors is available from. Although the use of triplet phosphors has led to 100% internal quantum efficiency in organic lightemitting diodes oleds, stumbling blocks in triplet lasing include generally forbidden intersystem crossing isc and a low quantum yield of phosphorescence.
We report on amplified spontaneous emission and optically pumped deep blue lasing in the organic spirobifluorene derivative 2,7bisbiphenyl4yl2. Hence, electrically driven lasers based on organic semiconductors might find a wide range of applications. Organic solid state narrowlinewidth tunable dye laser oscillator using a dyedoped polymer as gain medium solid state dye lasers are organic tunable lasers that use a variety of organic gain media, such as laser dyedoped polymers ddp, 5 laser dyedoped ormosil ddo, 6 and laser dyedoped polymernanoparticle ddpn matrices. Opticallypumped organic thinfilm solidstate lasers. Organic solid state lasers are essential for various photonic applications, yet currentdriven lasing remains a great challenge.
Organic solid state lasers for sensing applications. In many of these lasers the active particles are impurity ions doped into a host matrix. Materials design has become a vigorous aspect for organic solid. Optically pumped organic solid state lasers were demonstrated in the late 1990s dodabalapur et al. Appeared in the mid 60s as solidstate alternatives for liquid dye lasers, they. Functional organic single crystals for solidstate laser.
Twophoton fabrication of organic solidstate distributed. Exciton funneling in lightharvesting organic semiconductor. Electrically tunable organic verticalcavity surfaceemitting laser wendi chang,a annie wang,a apoorva murarka,a gleb m. The aim of this thesis is the preparation and characterization of model components for organic thinfilm solidstate lasers. Types of lasers solid state laser, gas laser, liquid. Solid state lasers an overview sciencedirect topics. Liquid lasers are those lasers which uses liquid as an active medium. Use features like bookmarks, note taking and highlighting while reading organic solidstate lasers springer series in optical sciences book 175. The aim of this thesis is the preparation and characterization of model components for organic thinfilm solid state lasers.
Appeared in the mid 60s as solidstate alternatives for liquid dye lasers, they recently gained a new dimension after the demonstration of organic semiconductor lasers in the 90s. Organic gain materials are highly attractive for lasing due to their chemical tunability and large stimulated emission cross section. In the 1990s, new forms of improved pmma, such as modified pmma, with high optical quality characteristics were introduced. The theoretical part is devoted to a summary of knowledge on the interaction of light with matter and lasers with a focus on organic solidstate lasers. Twophoton fabrication of organic solidstate distributed feedback lasers in rhodamine 6g doped su8 w. Organic solidstate lasers are also an excellent example of how basic research in one area can influence many other fields, including some of considerable technological significance. Organic dyes have been used as gain medium for lasers since the 1960s, long before the advent of todays organic electronic devices.
The progress in conjugated semiconducting polymers is highlighted as these new materials are now established as a novel class of solidstate laser active media. A photonic integrated circuit pic is the optical analogy of an electronic loop in which photons are signal carriers with high transport speed and parallel processing capability. Spontaneous and stimulated emissions, laser action, characteristics of laser beamconcepts of coherence, hene and semiconductor lasers simple ideas, applications. Reports on progress in physics, volume 63, number 5. Organic lasers are broadly tunable coherent sources, potentially compact. In this paper, a rhodamine 640pmma based vertical external cavity surface emitting organic laser is investigated. Optically excited lasing and amplified spontaneous emission have been observed in a wide range of semiconducting polymers, small molecules, and organic single crystals 19. In particular, specific designs to build tunable narrowlinewidth diode lasers yielding. Solid state organic random lasers with twodimensional coherent feedback have been successfully demonstratedin both polymer 7andmolecular8 thin.
Charge transfer ct complexes formed with pntype organic semiconductors show great potential in electrically pumped lasers, but it is still difficult to achieve population inversion owing to substantial nonradiative loss from delocalized ct states. While the first decade of research on organic semiconductor lasers and more generally organic solid state lasers aimed at understanding the physics of such emitters and demonstrating efficient laser devices, now numerous applicationoriented projects are emerging. It is a gas laser built by ali javan at mit, with a wavelength of 632. Organic solidstate lasers request pdf researchgate. Download it once and read it on your kindle device, pc, phones or tablets. An additional class of organic materials used in the generation of laser light include organic semiconductors. Coherent light sources are a key component for photonic integrated circuits. Continuously tunable organic solidstate laser based on.
However, in order to achieve electrically driven laser action, which would be more practical for most possible applications, several issues have to be addressed. Furthermore, the solid state lasers are extremely reliable and ensure high productivity and availability. Organic photoreceptors for imaging systems, paul m. Research into organic solid state lasers has been motivated by the idea of combining the lasing medium and cavity in a single microscale device that could be easily integrated into numerous.
In a liquid or dye laser, the active medium is an organic dye in a liquid sol vent. In this paper, we demonstrate an accurately and continuously tunable organic solidstate dfb laser with a thin film of the 4dicyanomethylene2tert butyl61,1,7,7tetramethyljulolidyl9enyl4hpyran dcjtb doped polystrene ps as active gain material on top. More recently, new perspectives appeared at the nanoscale, with organic polariton and. Pdf thermal effects in thinfilm organic solidstate. Organic solidstate lasers based on sexiphenyl as active. Random lasers based on organic epitaxial nanofibers. Significantly, the nearinfrared nir ossls are of great value owing to their applications in laser communication, spectroscopy, and medical diagnosis. Request pdf on jun 27, 2019, guoqing wei and others published recent advances in 1d organic solidstate lasers find, read and cite all the research you need on researchgate. Organic lasers use an organic carbon based material as the gain medium.
The theoretical part is devoted to a summary of knowledge on the interaction of light with matter and lasers with a focus on organic solid state lasers. Further, we demonstrate laser oscillation under optical excitation from an organic light emitting device equipped. It appears that the morphology of vacuumdeposited thin films is. The second enlarged edition of tunable laser applications discusses spectroscopic applications of optical parametric oscillators and tunable diode lasers as well as medical applications of organic dye lasers, fiber lasers, and crystalline solid state lasers. We report on electrically driven amplified spontaneous emission and lasing in tetracene single crystals using fieldeffect electrodes for efficient electron and hole injection. This broad tunability, directly in the visible spectrum, made the dye laser a pioneer in a plethora of revolutionary laser applications from fundamental physics to astronomy. Tuning achieved by changing the concentration of the dopant of tetracene. Pdf thermal effects in thinfilm organic solidstate lasers. The progress in conjugated semiconducting polymers is highlighted as these new materials are now established as a novel class of solid state laser active media. Engineering physics phy1 common for all branches unit. These lasers generate laser light from the excited energy states of organic dyes dissolved in liquid solvents.
While the first decade of research on organic semiconductor lasers and more generally organic solidstate lasers aimed at understanding the physics of such emitters and demonstrating efficient laser devices, now numerous applicationoriented projects are emerging. Diode pumping has been achieved up to now through the use of distributed feedback dfb 79, 12 or organic vcsel 1d microcavity 10,11 resonators. Organic solidstate lasers can be monolithically integrated and are highly costeffective. Referring originally to dyes in solid state polymeric matrices, organic lasers also include the rich family of organic semiconductors, paced by the rapid development of organic lightemitting diodes.
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