Tunable lasers


Tunable lasers as the name suggests are lasers whose wavelengths can be tuned or varied. They play an important part in optical communication networks. Recent improvements in tunable laser technologies are enabling highly flexible and effective utilization of the massive increases in optical network capacity brought by large-scale application of dense wavelength division multiplexing. Several tunable laser technologies have emerged, each with its own set of tradeoffs with respect t ....etc

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Tunable lasers are still a relatively young technology, but as the number of wavelengths in networks increases so will their importance. Each different wavelength in an optical network will be separated by a multiple of 0.8 nanometers (sometimes referred to as 100GHz spacing. Current commercial products can cover maybe four of these wavelengths at a time. While not the ideal solution, this still cuts your required number of spare lasers down. More advanced solutions hope to be able to cover larger number of wavelengths, and should cut the cost ....etc

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Abstract
A tunable micro-electromechanical systems integrated inductor with a large-displacement electro-thermal actuator is discussed here. Based on a transformer configuration, the inductance of a spiral inductor is tuned by controlling the relative position of a magnetically coupled short-circuited loop. Theoretical studies are backed by a variety of fabricated and measured tunable inductors that show a 2 : 1 inductance tuning ratio over a wide frequency range of approximately 25 GHz. In addition, the maximum and minimum quality fa ....etc

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pdf and ppt of design and fabrication of spiral binding machine is required.

pdf or ppt about design and fabrication of spiral binding machine.

i am disguised with your results.please give a topic related results. ....etc

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Spiral Bevel Gearbox

Configuration: Spiral bevel gears,bearings,housing,drive shafts,etc.
* Materials: Spiral bevel gears is case-hardened with high rigidity and wear resistance,cast iron housing,S45C drive shafts.
* Compared to worm gear reducer,spiral bevel gearbox is of flexible operational capacity,high transmission torque and save more money.
* Model: RN-2M,RN-4M,RN-6M,RN-7M,RN-8M,RN-10M,RN-12M,RN-16M,RN-20M,RN-25M.
* 2 ways,3ways,4 ways gearbox are available.
* Gear transmission ratio 1:1 or 2:1,Special g ....etc

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I want to describe cutting teeth in gears by hob or shaping cutter with axis movements of machine in hobing and shaping method.
and Straight bevel gears manufacturing. ....etc

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Tunable lasers are still a relatively young technology, but as the number of wavelengths in networks increases so will their importance. Each different wavelength in an optical network will be separated by a multiple of 0.8 nanometers (sometimes referred to as 100GHz spacing. Current commercial products can cover maybe four of these wavelengths at a time.




While not the ideal solution, this still cuts your required number of spare lasers down. More advanced solutions hope to be able to cover larger number of wavelengths, and should ....etc

[:=Read Full Message Here=:]

Definition

Tunable lasers as the name suggests are lasers whose wavelengths can be tuned or varied. They play an important part in optical communication networks. Recent improvements in tunable laser technologies are enabling highly flexible and effective utilization of the massive increases in optical network capacity brought by large-scale application of dense wavelength division multiplexing. Several tunable laser technologies have emerged, each with its own set of tradeoffs with respect to the needs of particular optical networking appli ....etc

[:=Read Full Message Here=:]

Definition
Tunable lasers as the name suggests are lasers whose wavelengths can be tuned or varied. They play an important part in optical communication networks. Recent improvements in tunable laser technologies are enabling highly flexible and effective utilization of the massive increases in optical network capacity brought by large-scale application of dense wavelength division multiplexing. Several tunable laser technologies have emerged, each with its own set of tradeoffs with respect to the needs of particular optical networking applica ....etc

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Please help me in preparing power point presentation for my seminar on the topic TUNABLE SPIRAL INDUCTORS.i dont need much complicated portions.just a simple ppt slides are enough.
I hope this could help me. ....etc

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