Space Solar Power Review Vol 3 Num 1 1982

Cover	1
Table of Contents	100
Editors List	2
Editorial by John W Freeman	3
Letter to the Editor by Criswell and Bock	5
Meteorological Effects on Laser Propogation for Power Transmission by RE Beverly	11
Abstract	11
Introduction	11
Propagation Charactreistics Undre Various Meteorological Conditions	12
Physical Mechanisms	12
Mitigation Techniques	12
Wavelength Selection	12
Receptor Elevation	12
Zenith Angle	13
Hole Boring	13
Propagation Calculations—Aerosols	13
Models	13
Haze	14
Fog	14
Clouds	16
Ice Clouds	21
Rain	21
Snow	23
Propagation Calculations — Molecular Absorption	25
Calculational Models	25
Transmission Efficiencies	25
Hole Boring	26
Conclusions and Recommendations	29
References	30
Power Availability At Terrestrial Receptor Sites For Laser-Power Transission From The SPS by RE Beverly	33
Abstract	33
Introduction	33
Receptor Siting Criteria	34
Power Availability	35
Sources of Statistical Climatic Data	35
Power Availability Model	35
Cloud Transmission Model I.	38
Cloud Transmission Model 2	38
Cloud Transmission Model	38
Statistical Results and Analysis	39
Summary and Conclusions	45
References	46
Laser SPS Concepts and Issues by Edward Walbridge	47
Abstract	47
1.Introduction	47
2. Lasers and How They Work	47
3. Types of High-Power Lasers	51
3.1 Electric Discharge Laser	51
3.2 Direct Solar Pumped Laser	52
3.3 Indirect Solar Pumped Laser	54
3.4 Free Electron Laser	56
3.5 Chemical Laser	59
4. Advantages of Lasers for an SPS	60
5. Alternative Subsystems for a Laser SPS	61
5.1 Brayton Cycle	62
5.2 Reverse FEL	62
5.3 Thermoelectronic Conversion	62
5.4 Photon Engine	63
5.5 Combinations of Subsystems	63
6. The Lockheed Laser SPS	64
7. Alternative Laser SPS	67
8. Key Issues for Further Research	69
Degradation of the Laser Beam by Clouds	69
Induced Clouding Above a Receiving Station	70
Perception of a Laser SPS as a Weapon	70
Direct Solar Pumped Lasers	71
Indirect Solar Pumped Lasers	71
Free Electron Lasers	71
Closed-Cycle Chemical Lasers	71
Magnetic Drag	71
Laser Windows	71
Maintenance of Shape of Sunlight-Collecting Mirror	71
Number of Independent Power Satellites	71
Biota Impacts	71
Beam Scattering	71
Van Allen Belt Radiation	71
Thermal Blooming	71
Recommendations	72
References	72
The Economics of Bootstrapping Space Industries - Development of an Analytic Computer Model by Goldberg and Criswell	75
Abstract	75
Introduction	75
General Framework	76
Obstacles to the Evaluation of Bootstrapping	79
Simplified Bootstrapping Model	81
Conclusions	87
References	88
Appndix 1. Computer Programs	89
Appendix 2. Base Case Technology	96
First Annual Space Foundation Research Awards by Beverly Goldstein	97

RkJQdWJsaXNoZXIy MTU5NjU0Mg==