Wavelength/nm

Experimental value/sr−1

Predicted value/sr−1

Error/%

(a) θr = 54.2˚, θr = 90˚, Φ = 51.9˚

1024

0.861344

0.858511385

0.33%

1124

0.586956

0.583145772

0.65%

1224

0.797584

0.7855544

1.51%

1324

0.373254

0.362944351

2.76%

1424

0.303363

0.289830387

4.46%

1524

0.285518

0.258873995

9.33%

1624

0.307102

0.283805326

7.59%

(b) θi = 52.2˚, θr = 90˚, Φ = 59.7˚

1024

0.882821

0.947324982

7.31%

1124

0.547986

0.58673964

7.07%

1224

0.856519

0.881795093

2.95%

1324

0.408383

0.422215333

3.39%

1424

0.284671

0.297303136

4.44%

1524

0.314227

0.319493384

1.68%

1624

0.339739

0.331650508

2.38%

(c) θi = 49.2˚, θr = 90˚, Φ = 87.8˚

1024

0.946735

0.935597561

1.18%

1124

0.555469

0.552130307

0.60%

1224

0.91835

0.868304603

5.45%

1324

0.46931

0.423480863

9.77%

1424

0.306292

0.27864765

9.03%

1524

0.402469

0.375908428

6.59%

1624

0.408904

0.358874548

12.25%