| 摘要 |
<p>A microwave powered lamp (1 ) provides an efficient and reliable heat removal while keeping the lamp compact, and includes: at least one transparent bulb (2) containing, in an inner space thereof, a material apt to be excited by microwave irradiation thereby emitting an electromagnetic radiation; at least one microwave coaxial antenna (7), placed outside said bulb (2), connected to a microwave source via a respective antenna lead (9), said bulb and said microwave coaxial antenna (7) being displaced in a close relationship to each other to allow the microwave excitation of said material, wherein the bulb is shaped so as to form an open channel (4) housing said at least one microwave coaxial antenna (7) and a refrigeration circuit wherein a refrigerating fluid is circulated, said open channel (4) defining a bulb refrigeration path, which is part of said refrigeration circuit, wherein the refrigerating fluid is allowed to circulate, and wherein said refrigeration fluid is a MW absorber liquid, namely water.</p> |
