Overview
A V-groove grating is a specialized optical component featuring a series of V-shaped grooves etched or ruled onto a substrate. These gratings are engineered to diffract light with high precision, separating wavelengths for applications like spectroscopy or directing laser beams. Unlike conventional gratings, the V-shaped profile enhances efficiency at specific angles (blaze wavelengths), making them ideal for monochromatic systems. They are widely used in research labs, industrial sensors, and fiber-optic networks.
Structure and Working Principle
The grating consists of a substrate (often glass or metal) with uniformly spaced grooves, typically 300–2400 lines per millimeter. Each groove’s angled walls (blaze angle) determine the diffraction direction, optimizing performance for target wavelengths. When light strikes the grating, it reflects off the groove facets, creating constructive interference at specific angles. This disperses light into its spectral components or steers it along predefined paths, depending on the design.
Key Features
V-groove gratings offer high diffraction efficiency (up to 90% at blaze wavelengths) due to their geometric precision. Customizable groove profiles allow tuning for UV, visible, or IR spectra. Durability varies by material: fused silica resists thermal expansion, while metal gratings withstand harsh environments. Anti-reflective coatings can minimize stray light in sensitive applications.
Application Areas
In spectroscopy, these gratings are core components of monochromators and spectrometers. Laser systems use them for beam splitting or pulse compression. Telecommunications rely on V-groove gratings for dense wavelength-division multiplexing (DWDM). Industrial encoders employ them for precise position sensing in robotics and CNC machinery.
Maintenance and Precautions
Handle gratings by the edges to avoid damaging grooves. Store in dry, dust-free containers; humidity can degrade coatings. Clean with isopropyl alcohol and lint-free wipes only if necessary. Avoid ultrasonic cleaning, which may dislodge delicate structures. Regularly inspect for scratches or contamination affecting performance.
B2B Procurement Guide
Specify groove density, blaze wavelength, and substrate material when ordering. Bulk purchases (50+ units) may reduce costs by 10–20%. Verify suppliers’ ISO certifications for optical manufacturing. Lead times for custom gratings range from 2–8 weeks. Sample testing under operational conditions is recommended before large orders.
Related Manufacturers
- 主营：衍射光学芯片、基因测序芯片、石英玻璃基质、槽宽200um硅基v槽、超透镜硅基底、微透镜阵列、微流控芯片
- 主营：矿山机械、铁路设备、救援设备、光纤光栅解调仪、防爆电器、路面机械、工程机械
- 主营：气缸感应开关、防爆磁性开关、工控传感器、松下安全光栅、防爆接近开关、防爆光电开关、磁性开关
- 主营：延迟线、耦合器、光纤带、光纤光栅、辅助照明、光纤探头、多芯光纤扇、光纤环形器、信号合束器、可调光衰减器、单模单芯跳线、在线光隔离器、光纤偏振控制器、光纤分路器、光纤耦合器、特种光纤跳线、保偏光纤跳线、保偏透镜光纤、保偏光纤阵列、中红外光纤跳线、特种光纤、透镜光纤、法拉第旋转镜
- 主营：测试仪、分析仪、探测器、光纤光栅、波长计、激光器、红外观察镜、台式光源、光纤放大器、激光控制器、光纤拉锥机、滤波器、晶体、隔离器
- 主营：光纤光栅、光栅解调仪、光栅解调模块、传感器、长周期光纤
- 主营：安全光幕、测量光幕、区域光幕、安全光栅、测量光栅、区域光栅、光栅光幕、施莱格安全光栅、施莱格光栅、安全光栅施莱格、光栅施莱格、施莱格安全光幕、透明体传感器、人体存在传感器、安全光电、安全开关、安全门锁、传感器、感应器
- 主营：信号隔离模块、信号转换模块、隔离变送器、光栅尺、信号变送器
- 主营：光学镜片、光学透镜、透镜、衍射光栅、凸透镜、平凸透镜、双凸透镜、平凹透镜、双凹透镜、非球透镜、平凸柱面透镜、平凹柱面透镜、棱镜、直角棱镜、偏振分光棱镜、反射镜、平凹球面反射镜、直角反射镜、光学平晶、分光平片、宽带分光平片、滤光片、窄带滤光片、带通滤光片、波片、正胶合消色差透镜
- 主营：矿用设备、铁路设备、救援设备、光纤光栅解调仪、防爆电器、仪器仪表、路面机械、工程机械、智能制造
- 主营：ckd气缸、ckd气控、asco脉冲、F安全光栅参数、无杆气缸、ab伺服电机、气体遮蔽阀、紧急开放阀、吸附式干燥器、ASCO电磁阀、费斯托电磁阀、FESTO气缸、诺冠电子压力开关、贝加莱模块、博力谋、Hydac压力传感器、霍尼韦尔限位开关、伊顿叶片泵、Origa无杆气缸、邦纳传感器、Pilz继电器、松下传感器、阿托斯液压阀
- 主营：传感器、变送器、光导系统、区域型光幕光栅、连接电缆
- 主营：电子围栏、激光对射、烟雾报警器、红外光栅、燃气报警器、红外对射、振动光纤、一键报警器、张力围栏、高压电网、被动红外探测器、数字融合报警主机、防爆报警器、防盗报警器
- 主营：电动平移台、电动升降台、电动角位台、电动转台、光学平台、大理石平台、二维整体移动台、多轴转台、电动组合台、压电平移台、真空位移台、直驱滑台、直驱转台、气浮转台、光学镜架、电动滑台、光学镜片、手动位移台、手动滑台、高精度组合台、手动倾斜台、精密手动旋转台、隔振光学平台、气浮光学平台、电动多维组合台
- 主营：奥林巴斯手持光谱仪、手持光谱仪、手持式光谱仪、光栅式位移传感器、合金分析仪、三丰轮廓仪、三丰圆度仪、三丰影像仪、三丰卡尺
- 主营：污染物、分析仪、采样器、监测仪、声级计、探测仪、检测器、测汞仪、检测仪、沥青烟、报警器、风速仪、直读仪、测试仪、切割器、测定仪、沸水浴、传感器、安全柜、检漏仪、报警仪、指数仪、测油仪、真空泵、便携泵吸