Metropolitan Radiology 1150 Varnum St NE, Washington, DC 20017 3016140595 (phone), 4106727316 (fax)
Education:
Medical School Washington University School of Medicine Graduated: 1968
Procedures:
Lumbar Puncture Arthrocentesis Thyroid Biopsy
Languages:
English
Description:
Dr. Hamm graduated from the Washington University School of Medicine in 1968. He works in Washington, DC and specializes in Diagnostic Radiology and Radiology. Dr. Hamm is affiliated with Providence Hospital.
Us Patents
Optical Device Including Carbon-Doped Contact Layers
Utpal Kumar Chakrabarti - Allentown PA Robert Alan Hamm - Staten Island NY Joseph Brian Seiler - Penn Township, Berks County PA Gleb E. Shtengel - Upper Milford Township, Lehigh County PA Lawrence Edwin Smith - Macungie PA
Assignee:
Agere System Optoelectronics Guardian Corp. - Orlando FL
International Classification:
H01S 500
US Classification:
372 45
Abstract:
The invention is an optical device and method of fabrication which mitigates the problem of Zn migration in the cladding and waveguide regions. The contact region includes carbon, which acts as a p-type dopant in ternary semiconductor material. The contact layer is made of InGaAs or InGaAsP, and the invention is most advantageously used in an electroabsorption modulated laser or capped mesa buried heterostructure laser.
Isbn (Books And Publications)
Medical Choices, Medical Chances: How Patients, Families, and Physicians Can Cope With Uncertainty
Lob You Long Time, captained by Amy Hamm of Olathe, went 4-0 in round-robin play last weekend in Irvine, Calif., capturing the Rec League regional title in the 3.5 Division. The teams other players are Todd Jobgen and Robert Hamm of Olathe and Macy Cargnel, Mike Cargnel and Stacie Bilbo of KC.