RLE PROGRESS REPORT No. 117 JANUARY 1976 APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED MASSACHUSETTS INSTITUTE OF TECHNOLOGY RESEARCH LABORATORY OF ELECTRONICS CAMBRIDGE, MASSACHUSETTS 02139 The Research Laboratory of Electronics is an interdepartmental laboratory in which faculty members and graduate students from numerous academic departments conduct research. The research in this laboratory for the half-year period ending December 31, 1975 was made possible by the support extended the Massachusetts Institute of Technology by the following agencies. Joint Services Electronics Program (U.S. Army, U.S. Navy, U.S. Air Force) Contract DAAB07-75-C-1346 U.S. Army-Electronics Command Contract DAAB03-75-C-0489 U.S. Army-Research Office-Durham Contract DAHC04-74-C-0027 U.S. Navy-Office of Naval Research Contract N00014-75-C-0951 Contract N00014-75-C-1183 Contract N00014-76-C-0900 U.S. Air Force-Electronics Systems Division Contract F19628-75-C-0122 Contract F19628-76-C-0054 U.S. Air Force-Office of Scientific Research Contract F44620-71-C-0051 Contract F44620-72-C-0057 National Aeronautics and Space Administration Contract NAS5-21980 Contract NAS5-22485 Contract NAS5-22828 Grant NGL 22-009-013 Grant NGR 22-009-526 Grant NSG 7091 National Institutes of Health Grant 5 RO1 NS11000-03 Grant 2 PO1 GM19428-04 Grant 5 RO1 NS11080-02 Grant 5 P01 HL14322-04 Grant 5 SO5 RR07047-10 Grant 1 RO1 GM22633-01 Grant 1 T32 GM07301-01 Grant 1 RO1 NS10916-01 Grant 1 T32 NS07040-01 Grant 1 RO1 NS11153-01 Grant 5 TO1 EY00090-02 Grant 1 RO1 NS11680-01 Grant 5 TO1 GM01555-09 Grant 2 RO1 GM20370-03 Grant 5 TO1 HD00111-10 Grant 5 RO1 EY01149-03 Grant 5 RO1 NS04332-13 National Institute of Mental Health Grant 5 PO1 MH13390-09 Grant 1 RO1 MH27636-01 National Science Foundation Grant ENG74-24344 Grant AST73-05042-A02 Grant ENG75-06242 Grant AST73-05043-A02 Grant EPP74-12653 Grant DES74-19781 Grant MPS75-04033 Grant ENG71-02319-A02 Grant MPS75-15421 Grant ENG74-00131-A01 Grant ENG74-03996-A01 U. S. Energy Research and Development Administration Contract E (04-3) -1105 Contract E (11-1) -2766 Contract E (11-1) -3070 Associated Press (Grant) Bell Telephone Laboratories, Inc. (Grant) Boston City Hospital Purchase Orders 3319-51355-C1, 4338-75431-Cl California Institute of Technology Contract 953524 Graphic Arts Research Foundation (Grant) Harvard University Medical School Purchase Order G79497 Purchase Order H49105 Massachusetts General Hospital Purchase Order F63583 M.I.T. Health Sciences Fund Grant 76-07 Grant 76-11 M.I.T. Project MAC (Subgrant from IBM) M.I.T. Sloan Fund for Basic Research Woods Hole Oceanographic Institution Purchase Order 4554 UNCLASSIFIED SECURITY CLASS'FICATION OF THIS -AGE (When Data Entered) READ INSTRUCTIONS REPORT DOCUMENTATION PAGE 1. REPORT NUMDER BEFORE COMPLETING FORM 2. GOVT ACCESSION NO. 3. RECIP'ENIT'S CATALOG NUMBER 117 4. TITLE (and Subtitle) 5. RLE PROGRESS REPORT NO. 7. TYFE OF REPORT & PERIOD COVERED Interim, half-year period ending December 31, 1975 117 AUTHOR(s) 6. PERFORMING ORG. REPORT NUMBER 8. CONT RACT OR GRANT NUMBER(s) See Author Index 9. DAAB07-75-C-1346 PERFORMING ORGANIZATION NAME AND ADDRESS 10. Research Laboratory of Electronics PPOGRAM ELEMENT, PROJECT, TASK A WORK UNIT NUMBERS C8-5-04533-01-C-8-CA APEA Massachusetts Institute of Technology Cambridge, 1I. Mass. C8-5-04534-01-C-8-CA 02139 CONTROLLING OFFICE NAME AND ADDRESS 12. Department of the Army Headquarters U.S. Army Electronics Command Fort Monmouth, New Jersey 07703 14. MONITORING AGENCY NAME & ADDRESS(if different from Controlling Office) 16. DISTRIBUTION 17. DISTRIBUTION STATEMENT 18. SUPPLEMENTARY NOTES 5a. DCELDASSIEFICATION/DOWNGRADING Distribution Unlimited (of the abstract entered in Block 20, if different from Report) KEY WORDS (Continue on reverse side if necessary and identify by block number) Electronics Electromagnetics Communications Millimeter waves 20. 382 SECURITY CLASS. (of this report) STATEMENT (of this Report) Approved for Public Release; 19. January 1976 13. NUMBER OF PAGES 15. U.S. Army Electronics Technology and Devices Laboratories Fort Monmouth, New Jersey 07703 REPORT DATE Microwaves Lasers Signal processing Atomic physics Molecular physics Surface physics Quantum electronics Electron optics ABSTRACT (Continue on reverse side if necessary and identify by block number) This report, No. 117 in a series of progress reports issued by the M. I. T. Research Laboratory of Electronics, reviews the research activities of the entire laboratory for the half-year period ending December 31, 1975. Progress for each research unit supported by the Joint Services Electronics Program (Contract DAAB07-75-C-1346) is summarized and is designated by the letters JSEP in the outside margin. DD 1 FORM3 1473 EDITION OF I NOV 65 IS OBSOLETE UNCLASSIFIED SECURITY CLASSIFICATION OF THIS PAGE (When Data Entered) MASSACHUSETTS RESEARCH INSTITUTE OF TECHNOLOGY LABORATORY OF ELECTRONICS RLE PROGRESS REPORT NO. 117 January 1976 Submitted by: H. J. Zimmermann J. G. King FOREWORD This report, No. 117 in a series of Progress Reports issued by the Research Electronics, Laboratory of activities of reviews the research the Laboratory for the half-year period December 31, 1975. ending Part I comprises the cus- tomary annual statement of research objectives and summary of research for each group. Part II describes research in greater activities. detail progress in All projects the source of research support. ported by the Joint Services some acknowledge Projects sup- Electronics Pro- gram are further identified in the margin by the letters JSEP.