1. In this paper a multistable optical device is designed.

2. Fiber grating a recently developed optical device.

3. Passive Optical Device: WDM, attenuator, optical switch isolator , bandpass filter , modulator waveguide product.

4. This time another optical device, the field lens came to the rescue.

5. A bistable optical device must be constituted by a feedback function and a modulating function.

6. Each woman looks into an optical device that shows her three tiny discs in rapid succession.

7. To adjust one's vision or an optical device so as to render a clear, distinct image.

7. try its best to collect and build good sentences.

8. The company has come up with a new acousto - optical device.

9. The X-ray compound lens is a novel refractive X-ray optical device.

10. It was taken with a camera obscura (an ancient optical device used for entertainment and drawing) and took eight hours to expose – hence the sunlight falling on both sides of the building.

11. The X - ray compound lens is a novel optical device that focuses X - ray radiation by refraction effect.

12. Around the launch, uses in the tracking object the optical device is open- air, but in this kind of ultralow temperature situation, optical device's performance faced with stern test.

13. To adjust the line of sight of ( an optical device ).