An RGB laser is that beam source that emits red, green and blue lights in form of laser beams either as a separate beam for each color or a combination of all the three colors in one beam. Through the process of additive color mixing which is achieved through combination of these lights, a number of many other lights can be obtained.
Arc lamp sources are now being replaced with RGB lasers for light emissions, particularly given that they are much better when it comes to performance as compared to the arc lamp beamers. Arc lamp beamers are known to be the cheaper alternatives but they have limited lifetime, poor image quality and impossibility to achieve high wall-plug efficiency.
Beams from these sources are known to be coherent in both wavelengths, both in time and space allowing for inferences. If the change in phase properties is able to take place at the same time over a long distance and at the same period of time, then such waves will produce a very clear image. It is possible to cancel such waves with a similar with opposite phase.
The red, green and blue colors produced by these sources normally have very narrow optical bandwidth making them similar to monochromatic ones. On mixing, the resulting images are normally very clear as other monochromatic sources of beams. It is not surprising that cathode tube displays, printers and even lamp-based beams are now made of them.
These beamers however are known to emit beams that are low in power. With cinema projectors requiring over 10 W of power per color, the use of RGB sources is limited. In addition to power insufficiency, there other challenges include maturity and cost effectiveness. There is also a need of better quality of beam for efficient working of these beamers.
This are at times fitted with power-modulators particularly in the instances where the use of optical modulators is not practical due to low-power miniature devices. This is done to achieve better signals and laser diodes are used in most of the occasions. These particular diodes help achieve increased bandwidth to tens or hundreds of megahertz which in turns significantly improves resolutions.
The red, green and blue lasers come in several types depending on the design and construction. One method involves the use of three different types of lasers with each emitting beam of a particular color. These forms of visible beam lasers are however not as suitable as the non visible ones that are near infrared in nature.
When using an infrared solid state laser, a single beam of a near-infrared laser generating a single color is used. This is then converted into the three color under a several stages of converting non-linear frequency. The other common methods include combining parametric oscillators, frequency doublers method and frequency mixer method.
Technological advancement is however set to completely address the challenges in with an RGB laser. Just like other forms of lasers, they are set to be used in all other areas where there are need for lasers like in hospital machines, cutting technology and in entertainment industry among others.
Arc lamp sources are now being replaced with RGB lasers for light emissions, particularly given that they are much better when it comes to performance as compared to the arc lamp beamers. Arc lamp beamers are known to be the cheaper alternatives but they have limited lifetime, poor image quality and impossibility to achieve high wall-plug efficiency.
Beams from these sources are known to be coherent in both wavelengths, both in time and space allowing for inferences. If the change in phase properties is able to take place at the same time over a long distance and at the same period of time, then such waves will produce a very clear image. It is possible to cancel such waves with a similar with opposite phase.
The red, green and blue colors produced by these sources normally have very narrow optical bandwidth making them similar to monochromatic ones. On mixing, the resulting images are normally very clear as other monochromatic sources of beams. It is not surprising that cathode tube displays, printers and even lamp-based beams are now made of them.
These beamers however are known to emit beams that are low in power. With cinema projectors requiring over 10 W of power per color, the use of RGB sources is limited. In addition to power insufficiency, there other challenges include maturity and cost effectiveness. There is also a need of better quality of beam for efficient working of these beamers.
This are at times fitted with power-modulators particularly in the instances where the use of optical modulators is not practical due to low-power miniature devices. This is done to achieve better signals and laser diodes are used in most of the occasions. These particular diodes help achieve increased bandwidth to tens or hundreds of megahertz which in turns significantly improves resolutions.
The red, green and blue lasers come in several types depending on the design and construction. One method involves the use of three different types of lasers with each emitting beam of a particular color. These forms of visible beam lasers are however not as suitable as the non visible ones that are near infrared in nature.
When using an infrared solid state laser, a single beam of a near-infrared laser generating a single color is used. This is then converted into the three color under a several stages of converting non-linear frequency. The other common methods include combining parametric oscillators, frequency doublers method and frequency mixer method.
Technological advancement is however set to completely address the challenges in with an RGB laser. Just like other forms of lasers, they are set to be used in all other areas where there are need for lasers like in hospital machines, cutting technology and in entertainment industry among others.
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