Optical devices comprising doped glass materials, laser systems including such optical devices, and methods of forming such optical devices and laser systems
View Patent ↗Optical devices include a doped glass material in which the dopant facilitates the transmission of energy out from the glass material. The doped glass may not significantly absorb a selected wavelength of laser radiation to be manipulated by the optical devices. The dopant may comprise one or more of a transition metal element, an actinide element, and a lanthanide element. Laser systems include at least one such optical device and a laser device configured to emit a beam to be manipulated by the optical device. Methods for forming optical devices and laser systems including such optical devices include dispersing a dopant within a glass material to form, and forming the glass material into a body having a size and shape configured to manipulate a beam of radiation emitted by a laser device. The dopant is selected to comprise a material that facilitates the transmission of energy out from the glass material.
1. A laser system, comprising:
a laser device configured to emit a coherent electromagnetic radiation beam at a lasing wavelength; and
at least one optical device positioned in a pathway of the electromagnetic radiation beam, the at least one optical device comprising:
a glass material; and
a dopant comprising at least one of a transition metal element, an actinide element, and a lanthanide element dispersed within the glass material, wherein the doped glass does not significantly absorb the lasing wavelength of the electromagnetic radiation beam, and wherein the dopant facilitates the transmission of energy, which is input into the at least one optical device by the electromagnetic radiation beam, out from the glass material, and wherein the dopant does not emit radiation at the lasing wavelength when pumped with another wavelength of electromagnetic radiation.
2. The laser system of claim 1 , wherein the concentration of the dopant within the glass material is less than about two atomic percent (2.0 at %).
3. The laser system of claim 1 , wherein the at least one optical device has a size and shape configured to manipulate the electromagnetic radiation beam.
4. The laser system of claim 1 , wherein the laser device comprises a pulsed laser device.
5. The laser system of claim 1 , wherein the concentration of the dopant within the glass material is greater than about one-tenth of one atomic percent (0.1 at %).
6. The laser system of claim 5 , wherein the concentration of the dopant within the glass material is less than about one atomic percent (1.0 at %).
7. The laser system of claim 1 , wherein the doped glass exhibits an absorption of less than ten parts per one million of a power of the coherent electromagnetic radiation beam.
8. The laser system of claim 7 , wherein the doped glass exhibits an absorption of less than one part per million of the power of the coherent electromagnetic radiation beam.
9. A method of forming a laser system, comprising:
forming at least one optical device; and
positioning the at least one optical device in a pathway of an electromagnetic radiation beam to be emitted by a laser device;
wherein forming the at least one optical device comprises:
dispersing a dopant within a glass material;
selecting the dopant to comprise a material that does not significantly absorb a wavelength of the electromagnetic radiation beam to be emitted by the laser device when dispersed within the glass material;
selecting the dopant to comprise at least one of a transition metal element, an actinide element, and a lanthanide element;
selecting the dopant to comprise a material that does not emit radiation at the wavelength of the electromagnetic radiation beam when pumped with another wavelength of electromagnetic radiation;
selecting the dopant to comprise a material that facilitates the transmission of energy, which is input into the glass material by the electromagnetic radiation beam to be emitted by the laser device, out from the glass material; and
forming the glass material into a solid body having a size and shape configured to manipulate the electromagnetic radiation beam to be emitted by the laser device.
10. The method of claim 9 , wherein dispersing the dopant within the glass material comprises dispersing the dopant within the glass material at a concentration of less than about two atomic percent (2.0 at %).
11. The method of claim 9 , further comprising selecting the laser device to comprise a pulsed laser device.
12. The method of claim 9 , further comprising selecting the laser device to exhibit a peak power density of greater than about one megawatt per square centimeter (1.0 MW/cm 2 ).