110
2 Holographic Microscopy of Phase and Diffuse Objects …
Fig. 2.15 Photo (a, b) and the diagram (c) of a holographic interference microscope for the work in
transmitted and incident light: 1—the laser; 2—the laser ray; 3—the non-transmitting mirror; 4—
the electromechanical modulator; 5—the diaphragm; 6—the semireflecting mirror; 7—the quarterwave plate; 8—the condenser; 9—the object stage; 10—the objective; 11—the hologram; 12—the
ocular. Reprinted from [136] with permission
LG-38-He–Ne laser
632.8 nm
“Igla 4M”—argon laser 514.5 nm or 472.2 nm
Ruby laser
694.3 nm
Output power:
LG-38
40 mW
Ruby laser radiant energy
0.4–1.5 J
LG-38 single-mode operation
coherence length
20 cm
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