H01J61/54

High-power short-pass total internal reflection filter
10691024 · 2020-06-23 · ·

An apparatus for generating filtered light may include a broadband illumination source configured to generate broadband illumination and a total internal reflection (TIR) filter formed from a material at least partially transparent to the broadband illumination. The TIR filter may include one or more input faces oriented to receive the broadband illumination. The TIR filter may further be oriented to reflect wavelengths of the broadband illumination beam below a selected cutoff wavelength on one or more filtering faces as filtered broadband illumination and provide the filtered broadband illumination beam through one or more output faces. The cutoff wavelength may further be selected based on total internal reflection on the one or more faces.

Laser Sustained Plasma and Endoscopy Light Source
20200187340 · 2020-06-11 ·

An illumination source includes a laser driver unit configured to emit a plasma sustaining beam. An ingress collimator receives the plasma sustaining beam and produces a collimated ingress beam. A focusing optic receives the collimated ingress beam and produce a focused sustaining beam. A sealed lamp chamber contains an ionizable media that, once ignited, forms a high intensity light emitting plasma having a waist size smaller than 150 microns. The sealed lamp chamber further includes an ingress window configured to receive the focused sustaining beam and an egress window configured to emit the high intensity light. An ignition source is configured to ignite the ionizable media, and an exit fiber is configured to receive and convey the high intensity light. The high intensity light is white light with a black body spectrum, and the exit fiber has a diameter in the range of 200-500 micrometers.

Excimer lamp and light irradiation device having the same

An excimer lamp according to an embodiment of the present disclosure is capable of improving start-up characteristics and a light irradiation efficiency of a lamp and being miniaturized. The excimer lamp includes a light emitting tube emitting light, a first electrode disposed at an outer side of the light emitting tube, a second electrode disposed at an outer side of the light emitting tube in correspondence to the first electrode, and an auxiliary light emitting body disposed between the first electrode and the second electrode to emit light toward the light emitting tube when a voltage is applied to the first and second electrodes, and a light irradiation device having the same.

LASER SUSTAINED PLASMA AND ENDOSCOPY LIGHT SOURCE

An illumination source includes a laser driver unit configured to emit a plasma sustaining beam. An ingress collimator receives the plasma sustaining beam and produces a collimated ingress beam. A focusing optic receives the collimated ingress beam and produce a focused sustaining beam. A sealed lamp chamber contains an ionizable media that, once ignited, forms a high intensity light emitting plasma having a waist size smaller than 150 microns. The sealed lamp chamber further includes an ingress window configured to receive the focused sustaining beam and an egress window configured to emit the high intensity light. An ignition source is configured to ignite the ionizable media, and an exit fiber is configured to receive and convey the high intensity light. The high intensity light is white light with a black body spectrum, and the exit fiber has a diameter in the range of 200-500 micrometers.

LASER SUSTAINED PLASMA AND ENDOSCOPY LIGHT SOURCE

An illumination source includes a laser driver unit configured to emit a plasma sustaining beam. An ingress collimator receives the plasma sustaining beam and produces a collimated ingress beam. A focusing optic receives the collimated ingress beam and produce a focused sustaining beam. A sealed lamp chamber contains an ionizable media that, once ignited, forms a high intensity light emitting plasma having a waist size smaller than 150 microns. The sealed lamp chamber further includes an ingress window configured to receive the focused sustaining beam and an egress window configured to emit the high intensity light. An ignition source is configured to ignite the ionizable media, and an exit fiber is configured to receive and convey the high intensity light. The high intensity light is white light with a black body spectrum, and the exit fiber has a diameter in the range of 200-500 micrometers.

Method of fabricating a high-pressure laser-sustained-plasma lamp
11923185 · 2024-03-05 · ·

A method of forming a high-pressure plasma lamp includes providing a lamp bulb. The lamp bulb includes a top channel and a bottom channel. The method includes inserting a top electrode element into the top channel of the lamp bulb. The method includes providing a glass tubular structure attached to a bottom electrode element. The method includes filling the lamp bulb with a liquified gas through the bottom channel of the lamp bulb. The method includes inserting the bottom electrode element and the glass tubular structure into the bottom channel.

Method of fabricating a high-pressure laser-sustained-plasma lamp
11923185 · 2024-03-05 · ·

A method of forming a high-pressure plasma lamp includes providing a lamp bulb. The lamp bulb includes a top channel and a bottom channel. The method includes inserting a top electrode element into the top channel of the lamp bulb. The method includes providing a glass tubular structure attached to a bottom electrode element. The method includes filling the lamp bulb with a liquified gas through the bottom channel of the lamp bulb. The method includes inserting the bottom electrode element and the glass tubular structure into the bottom channel.

Dual parabolic laser driven sealed beam lamp
10504714 · 2019-12-10 · ·

The invention is directed to a sealed high intensity illumination device configured to receive a laser beam from a laser light source. A sealed chamber is configured to contain an ionizable medium. The chamber includes a reflective chamber interior surface having a first parabolic contour and parabolic focal region, a second parabolic contour and parabolic focal region, an ingress surface configured to admit the laser beam into the chamber, and an egress surface configured to emit high intensity light from the chamber. The first parabolic contour is configured to reflect light from the first parabolic focal region to the second parabolic contour, and the second parabolic contour is configured to reflect light from the first parabolic contour to the second parabolic focal region.

Dual parabolic laser driven sealed beam lamp
10504714 · 2019-12-10 · ·

The invention is directed to a sealed high intensity illumination device configured to receive a laser beam from a laser light source. A sealed chamber is configured to contain an ionizable medium. The chamber includes a reflective chamber interior surface having a first parabolic contour and parabolic focal region, a second parabolic contour and parabolic focal region, an ingress surface configured to admit the laser beam into the chamber, and an egress surface configured to emit high intensity light from the chamber. The first parabolic contour is configured to reflect light from the first parabolic focal region to the second parabolic contour, and the second parabolic contour is configured to reflect light from the first parabolic contour to the second parabolic focal region.

Laser driven sealed beam lamp with improved stability
10497555 · 2019-12-03 · ·

A sealed high intensity illumination device configured to receive a laser beam from a laser light source and method for making the same are disclosed. The device includes a sealed cylindrical chamber configured to contain an ionizable medium. The chamber has a cylindrical wall, with an ingress and an egress window disposed opposite the ingress window. A tube insert is disposed within the chamber formed of an insulating material. The insert is configured to receive the laser beam within the insert inner diameter.