摘要:
In a laser oscillating apparatus for exciting a laser gas in a laser tube by introducing an electromagnetic wave from a waveguide (1) into the laser tube (2) through a plurality of slots (10) formed in a waveguide wall, and generating a laser beam by resonating light emitted from the laser gas, the slots (10) are formed in a line such that their longitudinal direction is consistent with the longitudinal direction of the waveguide (1), and a metal wall (12) is so formed as to surround these slots. This metal wall (12) forms a gap as a microwave passage from the slots (10) to a window (15) in the laser tube wall, thereby spacing the laser tube wall apart from the slots (10) by a predetermined distance.
摘要:
This invention relates to an excimer laser oscillation apparatus which has a laser chamber (20) which stores a laser gas containing a gas mixture of at least one inert gas selected from the group consisting of Kr, Ar, and Ne, and F 2 gas, and in which an inner surface thereof has a reflection-free surface (3) with respect to light of a desired wavelength of 248 nm, 193 nm, or 157 nm, and the uppermost surface of the inner surface consists of a fluoride, an optical resonator which is made up of a pair of reflection mirrors (5,6) arranged to sandwich the laser chamber (20) therebetween, and in which the reflectance of the reflection mirror (6) on the output side is 90% or more and microwave introduction means (300,303,302), arranged on the laser chamber (20), for continuously exciting the laser gas in the laser chamber (20).
摘要:
A contact type image sensor comprises: a light source 3 to emit a light with a predetermined inclination angle for the direction of the normal line of the surface of an original at the position of a read line 9 in order to irradiate the light from both sides to the read line by one light source; an original supporting member 6 to support the original in order to lead the light from the light source 3 to the read line 9; and a photoelectric converting device section 5 to receive the light from the original surface. At least a part of the original supporting member 6 locating on the side opposite to the arrangement side of the light source 3 with respect to the read line 9 has a reflecting surface for reflecting a part of the light from the light source 3 and leading to the read line 9.
摘要:
A contact type image sensor comprises: a light source 3 to emit a light with a predetermined inclination angle for the direction of the normal line of the surface of an original at the position of a read line 9 in order to irradiate the light from both sides to the read line by one light source; an original supporting member 6 to support the original in order to lead the light from the light source 3 to the read line 9; and a photoelectric converting device section 5 to receive the light from the original surface. At least a part of the original supporting member 6 locating on the side opposite to the arrangement side of the light source 3 with respect to the read line 9 has a reflecting surface for reflecting a part of the light from the light source 3 and leading to the read line 9.
摘要:
This invention relates to an excimer laser oscillation apparatus which has a laser chamber (20) which stores a laser gas containing a gas mixture of at least one inert gas selected from the group consisting of Kr, Ar, and Ne, and F 2 gas, and in which an inner surface thereof has a reflection-free surface (3) with respect to light of a desired wavelength of 248 nm, 193 nm, or 157 nm, and the uppermost surface of the inner surface consists of a fluoride, an optical resonator which is made up of a pair of reflection mirrors (5,6) arranged to sandwich the laser chamber (20) therebetween, and in which the reflectance of the reflection mirror (6) on the output side is 90% or more and microwave introduction means (300,303,302), arranged on the laser chamber (20), for continuously exciting the laser gas in the laser chamber (20).