Whisk together juice concentrate, vinegar, basil and olive oil. Set aside 2 tablespoons juice concentrate mixture. Reserve remaining mixture to use as salad dressing.
Prepare grill for direct grilling. Grill salmon, skin side up, over medium coals 5 minutes. Turn and grill 5 minutes or until fish flakes easily with fork, brushing frequently with 2 tablespoons juice concentrate mixture. Cool slightly.
Toss together greens, strawberries and cucumber slices. Place on two serving plates.
Remove skin from salmon. Break salmon into chunks. Arrange salmon on greens mixture. Drizzle with reserved juice concentrate mixture. Sprinkle with pepper.