Glycine doped PTC single crystal.
(a) dielectric constant and (b) dielectric loss of PTC and glycine doped PTC crystals.
Etch patterns of the crystal after (a) 0 s, (b) 10 s, (c) 20 s, (d) 40 s.
Table 1
Z-scan setup and TONLO parameters of the grown crystal.
| Parameters and notations | Magnitude |
|---|---|
| Laser wavelength (λ) | 632.8 nm |
| Lens focal length (f) | 30 mm |
| Optical path distance (Z) | 85 cm |
| Beam waist radius (ωa) | 3.3 mm |
| Aperture radius (ra) | 2 mm |
| TONLO susceptibility (χ3) | 6.99 × 10−6esu |
| Absorption coefficient (β) | 1.61 × 10−6 cm/W |
| Nonlinear refraction (n2) | 7.27 × 10−12 cm2/W |
Z-scan transmittance curve with (a) close and (b) open aperture.