当前位置:代理产品->光学加工系列产品
    离轴抛物面镜
      专业从事离轴抛物镜设计和制造。公司有超过40年历史的研发和制造技术,具有高精度工业融和先进方法。于此相对应,我们能够提供可靠的服务以满足不同的客户需求。无论定制的光学元件或者反射镜的要求如何,我都会以最高的专业水准来为您服务。

    具有成本效益的解决方案

    当使用离轴抛物镜时,光学设计方案中的许多问题就会被发现。他们能提供在性能无需折中的最低成本解决方案。

    OAP有无障碍光圈的优势,在系统设计中可通向焦平面。这会在光轴上产生由支架或者其他障碍物引起的衍射图案。如果要进行MTF或者类似测量时,这个是十分重要的。由于离轴抛物面反射镜具有消色差的特点,因此特别适用于宽带和多波长应用。

    应用:

    l  准直

    l  扩速镜

    l  FLIR测试

    l  高功率激光光束聚焦

    l  目标发生器

    l  MTF参考表面

    l  MRTD测试系统

    l  光谱反射镜

     

    质量和价值

    首创制造OAP技术,减少需求,而将投入大量放在复杂固定焦距的父抛物镜上,将其切割制成所要求的镜子。在不考虑成本的情况下,可以为您特制产品以适应您的需要。仅仅当最小规格反射镜(直径小于152mm)是由父镜制造而来;以大于152mm尺寸的,我们可以单独制造。

    反射镜安装

    精度和稳定性对于高精度反射镜的使用是十分重要的,并且光学表面公司提供一些万能支架以适合于大多数光学平台的使用。正确安装是避免失真的关键,从我公司订购的镜子在镀膜和安装之后会提供干涉图和OPD图。

    看下面平行光管数据表

    注意:

    小的机械和光学公差可按要求引用。就如上面所画的示意,125mm直径甚至更大的镜子通常制作成背面与前面平行。如果要求一个锲行用到背面,便可垂直于光轴。在镜子空白处,我们也将安装客户的需求制作凹槽,狭缝,平面或其他加工形状。我们强烈建议,所有订购的镜子,按照要求细节安装。这样才可确保镜子无压力支撑。干涉图在镀膜和安装之后会提供。

     

    直径公差

    +0/-1mm

    厚度公差

    +0/-2mm

    焦距

    +-1%

    离轴距离

    +6mm-0mm(镜子直径大于100mm)

    +/-1mm(镜子直径小于等于100mm)

    表面精度

    λ/10 p-v@633nm(在整个净口径)。坡度误差<λ/10/cm,使用工业级标准软件可提供表征镜子表面精度的干涉图和分析数据。

    微型粗糙度

    1.2nm有效值。粗糙度的测量不包含在价格当中。

    表面质量

    60/40 to MIL-O-13830 Rev H 60=60μm and 40=0.40mm

    材质

    微晶玻璃用于直径等于小于125mm的镜子。

    除非有特殊要求,直径125mm以上的镜子用精细退火的低膨胀玻璃

    镀膜

    铝和氟化镁包含在标准价格列表。如果在订购时提出,光谱扫描件是免费的。镀银,镀金高功率激光器和飞秒激光器镀膜可根据要求报价。

     

     Wedged or Perpendicular Back version                  Parallel Back option

     

    Wedged or Parallel Back?

    We make off axis paraboloids by two distinct methods, giving rise to a choice of physical form shown at left.

    Parent method

    Generally, OAPs up to 152mm diameter are manufactured in a “parent” or “mother” paraboloid – an on-axis paraboloid. The customer’s require off-axis segment is then drilled from this parent. Standard parents are stocked in 356mm diameter or 406mm diameter (dependent on focal length) although specials can be made to >600mm diameter. We can trade off diameter and off axis distances anywhere within the clear aperture of the parent.

    The result of this production method is that the “wedged back” form is the natural choice since the OAP can be directly cut out with a core-drill axis perpendicular to the back.

    This form has some advantages: since our parents are made accurately centred, the back can be polished and used to define the optical axis direction. This helps with alignment, and the front of the mirror is already tilted in the correct direction when the back is running square to the customer’s optical table. A mounting groove can be generated in the edge which is often useful to mechanical designers solving the problems of mirror mounting.

    Stand alone method

    Mirrors above 152mm diameter are generally made as single items- “stand alone” OAPs. This has the advantage of flexibility of focal length beyond the choice of stock parents. This method naturally results in the parallel back form of mirror, nominally equal in thickness round its perimeter. We do make large mirrors in a wedged back form, but this is an additional cost due to the amount of machining required. Summary: mirrors up to 152mm diameter can generally be supplied wedged or parallel back at the same price. This option should be discussed and clarified prior to order. Above this size, the standard form is parallel back, with wedged back available only at an extra cost. 

     

http://www.aoeo.com.cn 电话:010-84848421(全天候热线) 传真:010-84848421 邮箱:AOEO@AOEO.com.cn
COPYRIGHT 2011 版权所有:北京吉时高科光电技术有限公司 网站备案号:京ICP 备 11039278-1