1 INTRODUCTION

2 DATA

3 SEARCH TECHNIQUE

3.1 Octopole moments

3.2 Ellipticity

3.3 Arc S/N

3.4 Additional parameters

4 ARC DETECTION

4.1 Pixel thresholding

4.2 Implementing pixel thresholding

4.3 Thresholds

5 STRONG LENS SIMULATIONS

5.1 Source galaxies

5.2 Lens galaxies

5.3 Gravitational lens mapping

5.4 Scaling to the DLS

6 SIMULATION RESULTS

6.1 Detecting simulated arcs

6.2 Arc parameter distributions

6.3 S/N

6.4 Lensing fraction

7 ARC SEARCH

7.1 Application to DLS data

7.2 Probability selection

7.3 Blind search

7.4 Visual search

7.5 Candidate discussion

8 CONCLUSION