Fig. 13.6 Band deconvolution by curve fitting of PDMS core (a, b) and cladding (c,
d) absorbance spectra ranging from 600 to 1250 nm (the insets provide the intrinsic loss in dB/
cm for the band at 740 nm)
Table 13.2 Peak report of core material (from 600 to 1250 nm)
Assignment
Area FIT
Peak centre (nm)
Height
Half-width (cm
−1
)
6v 1 (CH 3 )
0.47
631
0.010
399.8
5v 2 (CH 3 )
0.21
709
0.0056
349.8
5v 1 (CH 3 )
1.00
742
0.045
208.6
5v 1 (CH 2 )
0.23
807
0.00087
245.4
4v 1 (Ar)
0.57
853
0.0023
229.5
4v 2 (CH 3 )
2.57
877
0.01
239.4
2v 1 + 2v 2 (CH 3 )
6.94
904
0.030
218.3
4v 1 (CH 3 )
3.07
908
0.034
86.1
4v 1 (CH 2 )
0.65
918
0.0071
86.2
n.a.
0.64
994
0.0046
132.0
n.a.
0.44
1003
0.0048
85.7
3v 1 + v 3 (CH 3 )
4.63
1019
0.023
186.0
2v 1 + 3v 3 (CH 3 )
1.11
1091
0.0070
149.1
3v 2 (CH 3 )
36.38
1148
0.19
184.9
3v 2 (CH 2 )
46.27
1181
0.24
177.9
3v 1 (CH 3 )
45.77
1186
0.49
87.2
3v 1 (CH 2 )
6.26
1214
0.055
106.3
13 Spectroscopic Aspects of Polydimethylsiloxane (PDMS) Used for …
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