Determination of temperature and residual laser energy on film fiber-optic thermal converter for diode laser surgery

Figures & data

Figure 1. The heat of a film FOTC at laser power of 1 W.

Figure 2. Scheme of the experimental measurement for the infrared thermometer and laser power monitor.

Figure 3. Linear response of the residual power (a) and temperature (b) to output power with a clear tip.

Table 1. Residual power and temperature of a clear tip and film FOTC with CW and pulsed mode.

	Clear Tip		Film FOTC in CW		Film FOTC in pulsed mode
Output power (W)	Residual power (W)	Temperature (°C)	Residual power (W)	Temperature (°C)	Residual power (W)	Temperature (°C)
1.0	0.93 ± 0.006	31.42 ± 0.221	0.63 ± 0.07	112.86 ± 27.62	0.22 ± 0.12	89.48 ± 4.25
1.5	1.40 ± 0.007	30.93 ± 0.223	0.95 ± 0.15	155.21 ± 35.26	0.37 ± 0.16	121.60 ± 23.39
2.0	1.89 ± 0.011	30.05 ± 0.156	1.20 ± 0.28	190.52 ± 35.23	0.38 ± 0.21	165.74 ± 9.06
3.0	2.87 ± 0.034	34.46 ± 0.654	1.57 ± 0.20	197.09 ± 8.22	0.50 ± 0.16	165.07 ± 59.49
4.0	3.64 ± 0.103	33.01 ± 0.441	2.41 ± 0.66	199.17 ± 7.03	1.05 ± 0.54	178.01 ± 75.73
5.0	4.60 ± 0.202	30.26 ± 0.067	2.35 ± 0.92	205.44 ± 15.92	1.21 ± 0.37	200.58 ± 55.47
6.0	5.56 ± 0.123	35.26 ± 0.814	3.83 ± 0.35	200.97 ± 9.28	1.32 ± 0.12	210.51 ± 40.43
7.0	6.59 ± 0.114	35.94 ± 1.087	3.89 ± 0.10	211.42 ± 16.24	1.61 ± 0.01	216.25 ± 8.13
8.0	7.69 ± 0.142	37.53 ± 1.060	4.35 ± 0.18	216.24 ± 16.42	2.03 ± 0.21	219.30 ± 17.28

Figure 4. In pulsed mode, the linear fitting of the residual power (a); exponential fitting of the temperature (b).

Figure 5. In CW, the linear fitting of the residual power (a); line chart and exponential fitting of the temperature (b).