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Nouveau texte de la page, après la modification (new_wikitext) | <br>The first laser was invented in the early 1900s and was possibly a deadly device. Theodore Maiman, in 1905 wrote about the beam's power as one Gillette razor blade. However, there is no evidence that it can burn someone. Low-power lasers can still cause damage to eyesight. They may damage the retina by reflecting on shiny surfaces, and they can concentrate on a tiny area. The light may cause localized burning and even permanent damage.<br><br><br>The most popular type of laser uses feedback from the optical cavity in order to create an emitted light. An optical cavity is composed of two mirrors that are located at the opposite ends of a gain medium. As light passes through the gain medium, it bounces off the mirrors and is amplified. The process continues until all the light is passed through the output coupler, which is semi-transparent mirror. The beam is able to be used in hundreds of different applications when it is made.<br><br><br>Along with its brightness a laser beam has a diameter, which is the measurement of the beam as measured from the exit face of the laser housing. This measurement can be defined in many different ways. For Gaussian beams, the width is typically measured as 1/e2 (or 0.135) times the maximum intensity value. A laser with a larger diameter will result in a smaller and more concentrated beam than one with less diffraction limits.<br><br><br>The size of a laser beam is measured at its exit face. This can be measured in various ways. For instance the definition of an Gaussian beam is one-third of 1/e2 (or 0.135) times the maximum intensity. However, the definitions for these are subjective, so it's recommended to speak with an expert on these topics prior to purchasing an laser. The diffraction limit is usually the one that will dictate the beam size.<br><br><br>The diameter of an laser beam is the measurement of the beam's width at the point of exit from the housing for the laser. For a Gaussian-shaped beam, it is measured by the distance between two locations on the margin distribution of their intensities. Thus, a smaller wavelength corresponds to a greater diameter. The same is true for a Gaussian-shaped beam with a small-diffraction-limited intensity.<br><br><br>The light beam is reflected by a lens, and then into a fuzzy cone. Laser beams are smaller and much more precise than flashlight beams. Because it has a smaller beam and a longer range than a flashlight's, it is commonly referred to as highly collimated. The range of the beam is just a few inches and the focus is usually close to the object being focused on. It is also utilized to track and detect missiles.<br><br><br>The beam's diameter is the measurement of a laser beam measured from the point of exit of the housing for the laser. The diameter of a beam is typically determined in a variety of ways. It is possible to define a Gaussian light, for example has a diameter of 1 /e2. This is equivalent to 0.135x the maximum intensity. Wide-diameters are useful for analyzing a particular application. In addition to being able to measure the width of an laser, the intensity can be measured as well.<br><br><br>The frequency of a laser beam determines its [http://dbkjedu.com/plus/guestbook.php power meter laser]. It's usually high enough to be seen, but there are some limitations. It is difficult to correlate the wavelength of light with other sources. A laser with a high power output will create an area with a high luminosity. Because of the object's diffuse and reflection, the light appears dim. However, when the beam is low-power, it's harder to discern the object.<br><br><br>The diameter of the laser beam is the length of the laser's wavelength which is determined in several different ways. The Gaussian beam's width is the distance between two points in the marginal distribution. The intensity of the beam is 1 / 2 which is the most intense value. This measurement can be used to determine the length of the laser. A diameter that is too large can cause danger to the person or object and may cause the death of a person or object.<br><br><br>Lasers are intense lights that can be used to cut and shape objects. The light it emits is only one wavelength and that's why the beam is focused. The wavelength of a beam is a measure of the sharpness of it and what applications it can be utilized for. The length of a laser's wavelength is the length of its wavelength. Its frequency is related to the wavelength of one wave.<br><br> |
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+<br>The first laser was invented in the early 1900s and was possibly a deadly device. Theodore Maiman, in 1905 wrote about the beam's power as one Gillette razor blade. However, there is no evidence that it can burn someone. Low-power lasers can still cause damage to eyesight. They may damage the retina by reflecting on shiny surfaces, and they can concentrate on a tiny area. The light may cause localized burning and even permanent damage.<br><br><br>The most popular type of laser uses feedback from the optical cavity in order to create an emitted light. An optical cavity is composed of two mirrors that are located at the opposite ends of a gain medium. As light passes through the gain medium, it bounces off the mirrors and is amplified. The process continues until all the light is passed through the output coupler, which is semi-transparent mirror. The beam is able to be used in hundreds of different applications when it is made.<br><br><br>Along with its brightness a laser beam has a diameter, which is the measurement of the beam as measured from the exit face of the laser housing. This measurement can be defined in many different ways. For Gaussian beams, the width is typically measured as 1/e2 (or 0.135) times the maximum intensity value. A laser with a larger diameter will result in a smaller and more concentrated beam than one with less diffraction limits.<br><br><br>The size of a laser beam is measured at its exit face. This can be measured in various ways. For instance the definition of an Gaussian beam is one-third of 1/e2 (or 0.135) times the maximum intensity. However, the definitions for these are subjective, so it's recommended to speak with an expert on these topics prior to purchasing an laser. The diffraction limit is usually the one that will dictate the beam size.<br><br><br>The diameter of an laser beam is the measurement of the beam's width at the point of exit from the housing for the laser. For a Gaussian-shaped beam, it is measured by the distance between two locations on the margin distribution of their intensities. Thus, a smaller wavelength corresponds to a greater diameter. The same is true for a Gaussian-shaped beam with a small-diffraction-limited intensity.<br><br><br>The light beam is reflected by a lens, and then into a fuzzy cone. Laser beams are smaller and much more precise than flashlight beams. Because it has a smaller beam and a longer range than a flashlight's, it is commonly referred to as highly collimated. The range of the beam is just a few inches and the focus is usually close to the object being focused on. It is also utilized to track and detect missiles.<br><br><br>The beam's diameter is the measurement of a laser beam measured from the point of exit of the housing for the laser. The diameter of a beam is typically determined in a variety of ways. It is possible to define a Gaussian light, for example has a diameter of 1 /e2. This is equivalent to 0.135x the maximum intensity. Wide-diameters are useful for analyzing a particular application. In addition to being able to measure the width of an laser, the intensity can be measured as well.<br><br><br>The frequency of a laser beam determines its [http://dbkjedu.com/plus/guestbook.php power meter laser]. It's usually high enough to be seen, but there are some limitations. It is difficult to correlate the wavelength of light with other sources. A laser with a high power output will create an area with a high luminosity. Because of the object's diffuse and reflection, the light appears dim. However, when the beam is low-power, it's harder to discern the object.<br><br><br>The diameter of the laser beam is the length of the laser's wavelength which is determined in several different ways. The Gaussian beam's width is the distance between two points in the marginal distribution. The intensity of the beam is 1 / 2 which is the most intense value. This measurement can be used to determine the length of the laser. A diameter that is too large can cause danger to the person or object and may cause the death of a person or object.<br><br><br>Lasers are intense lights that can be used to cut and shape objects. The light it emits is only one wavelength and that's why the beam is focused. The wavelength of a beam is a measure of the sharpness of it and what applications it can be utilized for. The length of a laser's wavelength is the length of its wavelength. Its frequency is related to the wavelength of one wave.<br><br>
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Lignes ajoutées lors de la modification (added_lines) | <br>The first laser was invented in the early 1900s and was possibly a deadly device. Theodore Maiman, in 1905 wrote about the beam's power as one Gillette razor blade. However, there is no evidence that it can burn someone. Low-power lasers can still cause damage to eyesight. They may damage the retina by reflecting on shiny surfaces, and they can concentrate on a tiny area. The light may cause localized burning and even permanent damage.<br><br><br>The most popular type of laser uses feedback from the optical cavity in order to create an emitted light. An optical cavity is composed of two mirrors that are located at the opposite ends of a gain medium. As light passes through the gain medium, it bounces off the mirrors and is amplified. The process continues until all the light is passed through the output coupler, which is semi-transparent mirror. The beam is able to be used in hundreds of different applications when it is made.<br><br><br>Along with its brightness a laser beam has a diameter, which is the measurement of the beam as measured from the exit face of the laser housing. This measurement can be defined in many different ways. For Gaussian beams, the width is typically measured as 1/e2 (or 0.135) times the maximum intensity value. A laser with a larger diameter will result in a smaller and more concentrated beam than one with less diffraction limits.<br><br><br>The size of a laser beam is measured at its exit face. This can be measured in various ways. For instance the definition of an Gaussian beam is one-third of 1/e2 (or 0.135) times the maximum intensity. However, the definitions for these are subjective, so it's recommended to speak with an expert on these topics prior to purchasing an laser. The diffraction limit is usually the one that will dictate the beam size.<br><br><br>The diameter of an laser beam is the measurement of the beam's width at the point of exit from the housing for the laser. For a Gaussian-shaped beam, it is measured by the distance between two locations on the margin distribution of their intensities. Thus, a smaller wavelength corresponds to a greater diameter. The same is true for a Gaussian-shaped beam with a small-diffraction-limited intensity.<br><br><br>The light beam is reflected by a lens, and then into a fuzzy cone. Laser beams are smaller and much more precise than flashlight beams. Because it has a smaller beam and a longer range than a flashlight's, it is commonly referred to as highly collimated. The range of the beam is just a few inches and the focus is usually close to the object being focused on. It is also utilized to track and detect missiles.<br><br><br>The beam's diameter is the measurement of a laser beam measured from the point of exit of the housing for the laser. The diameter of a beam is typically determined in a variety of ways. It is possible to define a Gaussian light, for example has a diameter of 1 /e2. This is equivalent to 0.135x the maximum intensity. Wide-diameters are useful for analyzing a particular application. In addition to being able to measure the width of an laser, the intensity can be measured as well.<br><br><br>The frequency of a laser beam determines its [http://dbkjedu.com/plus/guestbook.php power meter laser]. It's usually high enough to be seen, but there are some limitations. It is difficult to correlate the wavelength of light with other sources. A laser with a high power output will create an area with a high luminosity. Because of the object's diffuse and reflection, the light appears dim. However, when the beam is low-power, it's harder to discern the object.<br><br><br>The diameter of the laser beam is the length of the laser's wavelength which is determined in several different ways. The Gaussian beam's width is the distance between two points in the marginal distribution. The intensity of the beam is 1 / 2 which is the most intense value. This measurement can be used to determine the length of the laser. A diameter that is too large can cause danger to the person or object and may cause the death of a person or object.<br><br><br>Lasers are intense lights that can be used to cut and shape objects. The light it emits is only one wavelength and that's why the beam is focused. The wavelength of a beam is a measure of the sharpness of it and what applications it can be utilized for. The length of a laser's wavelength is the length of its wavelength. Its frequency is related to the wavelength of one wave.<br><br>
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