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Holo/Or DOE擴(kuò)束器返回列表頁

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更新時(shí)間：2022-05-26 07:50:03瀏覽次數(shù)：37次

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Holo/Or DOE擴(kuò)束器

HOLO/OR引入了一個(gè)新模塊，用于修改衍射光學(xué)元件（DOE）的某些輸出參數(shù)。

該模塊以放大系數(shù)減小或擴(kuò)大DOE輸出的整個(gè)角度。

與標(biāo)準(zhǔn)擴(kuò)束器不同，我們的模塊考慮了光束整形，光束分離和光束焦點(diǎn)元素的特性，從而以小的像差實(shí)現(xiàn)了出色的效果。

該模塊在以下情況下可能是有益的/適用的：

●將該模塊與DOE一起使用，以創(chuàng)建整體功能，而單個(gè)元素很難制造該功能

●將HOLO / OR的模塊添加到具有特定全角的標(biāo)準(zhǔn)，半標(biāo)準(zhǔn)或庫存DOE中，以更改DOE的全角，從而避免支付任何NRE，并縮短了交貨時(shí)間

HOLO / OR也能夠根據(jù)客戶的系統(tǒng)和要求定制模塊。

一般規(guī)格

Material:	BK7 or Fused Silica
Transmission:	≥ 96%
Fixed Expansion factor:	x2.5, x4, x5, x7 and x9.7
Product categories to be used with the DOE expander:	Beam Splitter, Homogenizer / Diffuser, Top-Hat Beam Shaper, Vortex Spiral Phase Plate, Diffractive Axicon, Multi-Circles
Suitable for:	266nm to 1550nm (exists in BK7 and also in FS)

典型結(jié)構(gòu)

DOE擴(kuò)束器的表參數(shù)：

Part Number	Magnification	Max Entrance Aperture (mm)	Max DOE angle with aperture 15mm (deg)	Max DOE angle with aperture 22.9mm (deg)	Module length*	Outer diameter
DOE_Expander_x2,5	x2.5	22.9	4**	3**	118.9	30.5
DOE_Expander_x4	x4	22.9	3**	2**	105.4	30.5
DOE_Expander_x5	x5	22.9	3**	1.6**	118.9	30.5
DOE_Expander_x7	x7	22.9	3.2**	2.2**	172.7	30.5
DOE_Expander_x10	x9.7	22.9	3.2**	2.5**	183.2	35

*: not including the DOE and optional focusing lens

**: This maximal angle corresponds to maximal full angle of the DOE for square output shape. For round output shape, the maximal angle is x1.4 times larger.

優(yōu)化結(jié)果示意圖

Without DOE Expander	With DOE Expander x5	With DOE Expander x9.7

Far-field simulation results for a Square Top-Hat, from left to right, without DOE expander 1.5×1.5[deg], with DOE expander x5 7.5×7.5[deg] and with DOE expander x9.7 ~14×14[deg].

不同Holo/Or DOE擴(kuò)束器在圖像平面上的Square Top-Hat結(jié)果之間的比較：

Without DOE Expander	With DOE Expander x5	With DOE Expander x9.7

Simulation results for a Square Top-Hat 1.6deg in size, with (from left to right): perfect beam expander (not real lens) for ideal output spot, standard beam expander not optimized for use with a DOE and Holo/Or’s DOE Expander optimized for use with a DOE and additional focusing lens after the module.
Simulation input parameters: Wavelength 532nm and input beam diameter 8mm.

Simulation results for a Square Top-Hat 2.0deg in size, with (from left to right): perfect beam expander (not real lens) for ideal output spot, standard beam expander not optimized for use with a DOE and Holo/Or’s DOE Expander optimized for use with a DOE and additional focusing lens after the module.
Simulation input parameters: Wavelength 532nm and input beam diameter 6mm.

Simulation results for a Square Top-Hat 2.86deg in size, with (from left to right): perfect beam expander (not real lens) for ideal output spot, standard beam expander not optimized for use with a DOE and Holo/Or’s DOE Expander optimized for use with a DOE and additional focusing lens after the module.
Simulation input parameters: Wavelength 532nm and input beam diameter 6mm.