Claims
- 1. A laser medium comprising a chromium (3+) doped germanate garnet crystal of the general formula:
- Ca.sub.3 M.sub.2(1-x) Cr.sub.2x (GeO.sub.4).sub.3
- wherein M is Sc.sup.3+, and 0<X.ltoreq.0.25.
- 2. A laser medium comprising a chromium (3+) doped germanate garnet crystal of the general formula:
- Ca.sub.3 M.sub.2(1-x) Cr.sub.2x (GeO.sub.4).sub.3
- wherein M is Lu.sup.3+, and 0<X.ltoreq.0.25.
- 3. A laser medium comprising a chromium (3+) doped germanate garnet crystal of the general formula:
- Ca.sub.3 M.sub.2(1-x) Cr.sub.2x (GeO.sub.4).sub.3
- wherein M is Y.sup.3+, and 0<X.ltoreq.0.25.
- 4. A laser medium in accordance with claims 1, 2, or 3 wherein 0<x.ltoreq.0.10.
- 5. A laser comprising:
- an optical resonance cavity defined by a first totally reflective mirror and a second partially transmissive mirror;
- an active laser medium within said cavity, said medium comprising a chromium (3+) doped germanate garnet crystal of the general formula:
- Ca.sub.3 M.sub.2(1-x) Cr.sub.2x (GeO.sub.4).sub.3
- wherein M is Sc.sup.3+, and 0<X.ltoreq.0.25; and
- an optical pumping means disposed adjacent to said optical cavity for exciting said laser medium to emit stimulated radiation.
- 6. A laser comprising:
- an optical resonance cavity defined by a first totally reflective mirror and a second partially transmissive mirror;
- an active laser medium within said cavity, said medium comprising a chromium (3+) doped germanate garnet crystal of the general formula:
- Ca.sub.3 M.sub.2(1-x) Cr.sub.2x (GeO.sub.4).sub.3
- wherein M is Lu.sup.3+, and 0<X.ltoreq.0.25; and
- an optical pumping means disposed adjacent to said optical cavity for exciting said laser medium to emit simulated radiation.
- 7. A laser comprising:
- an optical resonance cavity defined by a first totally reflective mirror and a second partially transmissive mirror;
- an active laser medium within said cavity, said medium comprising a chromium (3+) doped germanate garnet crystal of the general formula:
- Ca.sub.3 M.sub.2(1-x) Cr.sub.2x (GeO.sub.4).sub.3
- wherein M is Y.sup.3+, and 0<X.ltoreq.0.25; and
- an optical pumping means disposed adjacent to said optical cavity for exciting said laser medium to emit stimulated radiation.
- 8. A laser medium in accordance with claims 5, 6, or 7 wherein 0<x.ltoreq.0.10.
- 9. A laser medium in accordance with claims 5, 6 or 7 wherein said optical pumping mean comprising at least one light emitting diode.
- 10. A laser in accordance with claims 5, 6 or 7 wherein said first totally reflective mirror and said second partially transmissive mirror comprise reflective coatings on opposite surfaces of said active laser medium.
Parent Case Info
This is a continuation of co-pending application Ser. No. 618,704 filed on June 8, 1984, abandoned.
Government Interests
The Government has rights in this invention pursuant to contract DAAK20-82-C-0134 awarded by the Department of the Army.
Non-Patent Literature Citations (1)
Entry |
Christensen et al.; "Broad-Band Emission from Chromium Doped Germanium Garnets; IEEE JQE vol. QL-18, No. 8, Aug. 82. |
Continuations (1)
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Number |
Date |
Country |
Parent |
618704 |
Jun 1984 |
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