61-6943-69 Aluminum Concave Mirror Substrate φ20mm Center Thickness 4.9mm Focal Length 250mm TCAN-20C05-500
Features
- Concave substrate capable of depositing film coating of various types of total reflection mirrors.
- We also have concave mirrors coated with aluminum in advance.
- It can be used as the primary mirror of a reflecting telescope or as a reflector of a collimated optical system of a lamp light source.
- Select according to your specifications from a wide range of variations, subdivided by outer size and radius of curvature.
- It is machined with higher surface accuracy than a flat concave lens (SLB-N).
- A laser concave mirror substrate (LCBS) with high surface accuracy is also available for use in laser resonator mirrors.
- * Since the back side is sandy, it cannot be used for transmission.
- * Use a concave lens (SLB-N) for transmission.
- * When using for cold mirror or partial reflection mirror, it is necessary to use a concave substrate with a mirror surface on the back side.
- * When a high-energy pulsed laser beam is injected, a spark is generated near the focal point and the wavefront is disturbed.
- * The outer edge of the concave surface is chamfered, and the thickness of the cover (te) may vary. Therefore, use the back side as the reference surface.
Spec
- [
common specification] - Material: BK7
- Sphere surface surface accuracy: λ/2
- Curvature half diameter error: ±2%
- Coating: Mirror without protection film Al
- Effective range: 85% of outer diameter
- Scratch - dig: 40?20
- Back: Sand surface
- [Individual specification]
- Coating: Only Al
- Outer diameter φD: φ20mm
- Edge thickness te: 5mm
- Center thickness tc: 4.9mm
- Curvature half diameter r: 500mm
- Focus distance f: 250mm
- RoHS conform product
| Order No. | 61-6943-69 | |
|---|---|---|
| Model No. | TCAN-20C05-500 | |
| 標準価格 |
JPY: 9,900
USD: 62.06
Excange rate 1USD= 159.53JPY
Valid price in Japan |
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| 入り数 | 1piece | |
| 在庫数 |
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| サプライヤ在庫 |
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