The strip width of injection laser is

• A. 12 ‚âà√≠¬¨‚à´m
• B. 11.5 ‚âà√≠¬¨‚à´m
• C. Less than 10 ‚âà√≠¬¨‚à´m
• D. 15 ‚âà√≠¬¨‚à´m