保護膜付き金コーティング凹面ミラー、800 nm~20 µm
- Protected Gold Coating
- Focal Lengths from 9.5 - 1000 mm
- Ø1/2", Ø1", Ø2", and Ø75 mm
- No Chromatic Aberration
CM750-056-M01
Ø75 mm
CM508-038-M01
Ø2"
CM254-019-M01
Ø1"
CM127-010-M01
Ø1/2"
Focus Polychromatic
Beams without
Chromatic Aberration
Related Items
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Common Specifications | |
---|---|
Available Diameters | 1/2", 1", 2", and 75 mm |
Metallic Coating Range | 800 nm - 20 µm; Ravg> 96% |
Clear Aperture | >90% of Diameter |
Surface Quality | 40-20 Scratch-Dig |
Diameter Tolerance | +0.0/-0.2 mm |
Substrate | N-BK7a |
Backside Surface | Fine Ground and Engraved with Part Number (Not Polished) |
Metallic-Coated Concave Mirrors | |
---|---|
UV-Enhanced Aluminum 250 - 450 nm | Protected Aluminum 450 nm - 20 µm |
Protected Silver 450 nm - 20 µm | Protected Gold 800 nm - 20 µm |
特長
- 保護膜付き金: 800 nm~20 µm
- 12.7 mm(1/2インチ)、25.4 mm(1インチ)、50.8 mm(2インチ)、75 mmの4種類の外径から選択可能
- 焦点距離:9.5 mm~500 mm
当社の保護膜付き金コーティング凹面ミラーは、光収集、イメージングおよび集光の用途に設計されています。 この反射光学素子では、色収差なく集光できるため、広帯域光源に特に適しています。
このミラーの平均反射率は、800 nm~20 µm の赤外スペクトル範囲で>96 % となっています。 この製品は金コーティングされたN-BK7基板に、さらにSiO2保護膜がコーティングされています。633 nmにおける表面イレギュラリティは小さく、優れた画質をご提供します。
こちらのページでご紹介しているミラーはすべて当社の精密キネマティックミラーマウントを使用した取付けが可能です。
これらの光学素子のカスタム仕様をご希望の場合は当社にご相談ください。 当社では、金属ミラーより狭い波長範囲で、より高い反射率を持つ誘電体凹面ミラーもご提供しています。
下のグラフの網掛けの部分は、この光学素子をご使用になる際に推奨する波長範囲を示しています。この帯域外(特に反射率が変動したり傾斜したりしている範囲)の反射率は品質管理の面で厳密にモニタされておりません。また、ロットによってバラツキがある可能性がありますのでご注意ください。
Posted Comments: | |
user
 (posted 2024-08-27 19:02:25.567) I'm conducting an experiment involving the far-infrared to near-infrared range. Could you please provide a reflectivity graph up to 200 micrometers? cdolbashian
 (posted 2024-08-30 12:29:18.0) Thank you for reaching out to us with this inquiry. While we have not directly taken these measurements up to 200um, literature suggests that protected gold (gold with SiO2 overcoat) is highly reflective (>90%) up to and including the stated range. I have contacted you directly to share the journal articles which I have sourced this information. user
 (posted 2020-08-06 09:20:19.473) @YLohia: Thank you for the info. Do you have any experience where the damage threshold is in terms of temperature (talking about ambient air temperature, not laser-induced)? And what is the failure mechanism? Can you offer any mirrors which can withstand ~600 °C? YLohia
 (posted 2020-08-10 12:20:50.0) Hello, the information given in the previous feedback response was relating to the maximum ambient temperature, not LIDT. I have reached out to you directly to discuss the possibility of offering a custom mirror. user
 (posted 2020-08-04 11:02:14.36) How thick is the SiO2 overcoat and why do you use a different one (website says dielectric) on your plano Gold mirrors. Background of my question is the maximum operating/ambient temperature for these mirrors. YLohia
 (posted 2020-08-05 09:45:57.0) Thank you for contacting Thorlabs. Unfortunately, the thickness of the SiO2 layer is proprietary information. We also use SiO2 on our plano protected gold mirrors. While we don't have a formal maximum temperature spec, since these mirrors are coated at 200-250 C, they should hold up to that temperature range. Phil Chapnik
 (posted 2019-10-25 11:22:46.087) Asked for surface irregularity on concave mirrors. Information was on the site, I just missed it for some reason. Phil Chapnik
 (posted 2019-10-25 11:09:42.977) How about publishing the surface figure error on the concave mirrors? It would be great if the info gave the figure error over the entire clear aperture in addition to over any diameter of, for example, 1 cm. |
Click on a particular graphed line or the corresponding name in the legend to view concave mirrors with that coating option.
Metallic-Coated Concave Mirrors are available in UV Enhanced Aluminum, Aluminum, Silver, and Gold.