Elastic and Thermal Dynamics in Femtosecond Laser-Induced Structural Change Inside Glasses Studied by the Transient Lens Method

Table 1

Viscosities 𝜂 [32, 37], thermal expansion coefficients α [32, 36], band gaps 𝐸_𝑔 [6, 39], refractive indices 𝑛 [36], and glass transition temperatures 𝑇_𝑔 [38] of silica glass and sodalime glass [32].

	η (Pa·s) at 600°C	𝜂 (Pa·s) at 1200°C	α (10^−6/°C)	Eg (eV)	n (590 nm)	Tg (°C)
Silica glass	>10^16	~10^11	0.6	7.5	1.46	~1100
Sodalime glass	~10^11	~10^2	3.8	~3.2	1.62	~550