ABSTRACT

Birefringence of Crystal Silicon from the Ultraviolet to

the Visible Region at Room Temperature

-u (eV) l (nm) (n(O)Ln(E))!10

8.27 149.98 21.383

8.14 152.34 20.496

8.00 154.93 19.600

7.85 157.86 18.702

7.69 161.29 17.813

7.50 165.24 16.922

7.29 170.19 16.062

7.05 175.97 15.194

6.77 183.10 14.339

6.45 192.33 13.517

6.07 204.31 12.718

5.62 220.78 11.970

5.09 243.58 11.250

4.47 277.40 10.584

4.11 301.81 10.303

Dispersion: Paschen

derived the following dispersion relation using measured values n

(O) in

the visible-infrared region:

ðn

ðOÞÞ

Z a

K

a

l

Kl

K

a

l

Kl

:

The wavelength, l, is in mm and a

Z3.5968913, a

Z0.01064379, a

Z138.20519,

l

Z0:0106291, and l

Z111:4502. Dispersion values, dn/dl (cm

K1

), are obtained using the

Optical Rotary Power and Circular Birefringence of Synthesized

Crystal Quartz in the Vacuum Ultraviolet Region

at Room Temperature

l (nm) r(8) (n

Ln

)!10